diff --git a/user-ops-indexer/Cargo.lock b/user-ops-indexer/Cargo.lock
index 6122d7f41..0ba866a10 100644
--- a/user-ops-indexer/Cargo.lock
+++ b/user-ops-indexer/Cargo.lock
@@ -1170,8 +1170,10 @@ checksum = "7f2c685bad3eb3d45a01354cedb7d5faa66194d1d58ba6e267a8de788f79db38"
 dependencies = [
  "android-tzdata",
  "iana-time-zone",
+ "js-sys",
  "num-traits",
  "serde",
+ "wasm-bindgen",
  "windows-targets 0.48.5",
 ]
 
@@ -6465,6 +6467,7 @@ dependencies = [
  "blockscout-display-bytes",
  "blockscout-service-launcher 0.9.0",
  "bytes",
+ "chrono",
  "ethabi",
  "ethers",
  "ethers-core",
diff --git a/user-ops-indexer/user-ops-indexer-logic/Cargo.toml b/user-ops-indexer/user-ops-indexer-logic/Cargo.toml
index 496304c92..b1dbd5bfa 100644
--- a/user-ops-indexer/user-ops-indexer-logic/Cargo.toml
+++ b/user-ops-indexer/user-ops-indexer-logic/Cargo.toml
@@ -41,6 +41,7 @@ tracing-subscriber = { version = "0.3", features = ["env-filter"] }
 ethers = { version = "2.0.11", features = ["ws"] }
 num-traits = "0.2.17"
 itertools = "0.11.0"
+chrono = "0.4.31"
 
 [dev-dependencies]
 async-trait = "0.1"
diff --git a/user-ops-indexer/user-ops-indexer-logic/src/indexer/v06/indexer.rs b/user-ops-indexer/user-ops-indexer-logic/src/indexer/v06/indexer.rs
index 98733109b..801e9f21e 100644
--- a/user-ops-indexer/user-ops-indexer-logic/src/indexer/v06/indexer.rs
+++ b/user-ops-indexer/user-ops-indexer-logic/src/indexer/v06/indexer.rs
@@ -275,8 +275,8 @@ impl<'a, C: PubsubClient> IndexerV06<'a, C> {
                     .filter_map(|(j, (raw_user_op, logs))| {
                         match build_user_op_model(
                             bundler,
-                            i as u64,
-                            j as u64,
+                            i as u32,
+                            j as u32,
                             raw_user_op,
                             logs,
                             &tx_deposits,
@@ -322,8 +322,8 @@ impl<'a, C: PubsubClient> IndexerV06<'a, C> {
 
 fn build_user_op_model(
     bundler: Address,
-    bundle_index: u64,
-    index: u64,
+    bundle_index: u32,
+    index: u32,
     raw_user_op: RawUserOperation,
     logs: &[Log],
     tx_deposits: &[DepositedFilter],
@@ -411,8 +411,8 @@ fn build_user_op_model(
         sponsor_type,
         user_logs_start_index: logs
             .first()
-            .map_or(0, |l| l.log_index.map_or(0, |v| v.as_u64())),
-        user_logs_count: user_logs_count as u64,
+            .map_or(0, |l| l.log_index.map_or(0, |v| v.as_u32())),
+        user_logs_count: user_logs_count as u32,
         fee: user_op_event.actual_gas_cost,
 
         consensus: None,
diff --git a/user-ops-indexer/user-ops-indexer-logic/src/repository/account.rs b/user-ops-indexer/user-ops-indexer-logic/src/repository/account.rs
index 5149c6ffe..bde314cbc 100644
--- a/user-ops-indexer/user-ops-indexer-logic/src/repository/account.rs
+++ b/user-ops-indexer/user-ops-indexer-logic/src/repository/account.rs
@@ -134,7 +134,7 @@ mod tests {
                 factory: Some(Address::from_low_u64_be(0xf1)),
                 creation_transaction_hash: Some(H256::from_low_u64_be(0x3204)),
                 creation_op_hash: Some(H256::from_low_u64_be(0x3201)),
-                creation_timestamp: Some(1704067260),
+                creation_timestamp: Some("2024-01-01T00:01:00.000000Z".to_string()),
                 total_ops: 100,
             })
         );
diff --git a/user-ops-indexer/user-ops-indexer-logic/src/repository/bundle.rs b/user-ops-indexer/user-ops-indexer-logic/src/repository/bundle.rs
index b82e4d24e..b4cc191b8 100644
--- a/user-ops-indexer/user-ops-indexer-logic/src/repository/bundle.rs
+++ b/user-ops-indexer/user-ops-indexer-logic/src/repository/bundle.rs
@@ -16,9 +16,9 @@ pub async fn list_bundles(
     db: &DatabaseConnection,
     bundler_filter: Option<Address>,
     entry_point_filter: Option<Address>,
-    page_token: Option<(u64, H256, u64)>,
+    page_token: Option<(u64, H256, u32)>,
     limit: u64,
-) -> Result<(Vec<Bundle>, Option<(u64, H256, u64)>), anyhow::Error> {
+) -> Result<(Vec<Bundle>, Option<(u64, H256, u32)>), anyhow::Error> {
     let page_token = page_token.unwrap_or((i64::MAX as u64, H256::zero(), 0));
     let bundles: Vec<Bundle> = BundleDB::find_by_statement(Statement::from_sql_and_values(
         db.get_database_backend(),
diff --git a/user-ops-indexer/user-ops-indexer-logic/src/repository/user_op.rs b/user-ops-indexer/user-ops-indexer-logic/src/repository/user_op.rs
index 2cae3fe7c..b09e435b1 100644
--- a/user-ops-indexer/user-ops-indexer-logic/src/repository/user_op.rs
+++ b/user-ops-indexer/user-ops-indexer-logic/src/repository/user_op.rs
@@ -65,9 +65,10 @@ pub async fn find_user_op_by_op_hash(
             let user_op = Model::from_query_result(&res, "")?;
             let mut user_op = UserOp::from(user_op);
             user_op.consensus = res.try_get("", "consensus")?;
-            user_op.timestamp = res
-                .try_get::<Option<DateTime>>("", "timestamp")?
-                .map(|t| t.timestamp() as u64);
+            user_op.timestamp = res.try_get::<Option<DateTime>>("", "timestamp")?.map(|t| {
+                t.and_utc()
+                    .to_rfc3339_opts(chrono::SecondsFormat::Micros, true)
+            });
             Some(user_op)
         }
     };
@@ -84,7 +85,7 @@ pub async fn list_user_ops(
     factory_filter: Option<Address>,
     tx_hash_filter: Option<H256>,
     entry_point_filter: Option<Address>,
-    bundle_index_filter: Option<u64>,
+    bundle_index_filter: Option<u32>,
     block_number_filter: Option<u64>,
     page_token: Option<(u64, H256)>,
     limit: u64,
@@ -318,7 +319,7 @@ mod tests {
                     block_number: 0,
                     sender: Address::from_low_u64_be(0x0502),
                     transaction_hash: H256::from_low_u64_be(0x0504),
-                    timestamp: 1704067200,
+                    timestamp: "2024-01-01T00:00:00.000000Z".to_string(),
                     status: true,
                     fee: U256::from(56001575011025u64),
                 },
@@ -327,7 +328,7 @@ mod tests {
                     block_number: 0,
                     sender: Address::from_low_u64_be(0x0502),
                     transaction_hash: H256::from_low_u64_be(0x0504),
-                    timestamp: 1704067200,
+                    timestamp: "2024-01-01T00:00:00.000000Z".to_string(),
                     status: true,
                     fee: U256::from(56000075000025u64),
                 }
diff --git a/user-ops-indexer/user-ops-indexer-logic/src/types/account.rs b/user-ops-indexer/user-ops-indexer-logic/src/types/account.rs
index 33601d0f9..309445bb1 100644
--- a/user-ops-indexer/user-ops-indexer-logic/src/types/account.rs
+++ b/user-ops-indexer/user-ops-indexer-logic/src/types/account.rs
@@ -9,7 +9,7 @@ pub struct Account {
     pub factory: Option<Address>,
     pub creation_transaction_hash: Option<H256>,
     pub creation_op_hash: Option<H256>,
-    pub creation_timestamp: Option<u64>,
+    pub creation_timestamp: Option<String>,
     pub total_ops: u32,
 }
 
@@ -20,7 +20,10 @@ impl From<AccountDB> for Account {
             factory: v.factory.map(|a| Address::from_slice(&a)),
             creation_transaction_hash: v.creation_transaction_hash.map(|a| H256::from_slice(&a)),
             creation_op_hash: v.creation_op_hash.map(|a| H256::from_slice(&a)),
-            creation_timestamp: v.creation_timestamp.map(|t| t.timestamp() as u64),
+            creation_timestamp: v.creation_timestamp.map(|t| {
+                t.and_utc()
+                    .to_rfc3339_opts(chrono::SecondsFormat::Micros, true)
+            }),
             total_ops: v.total_ops as u32,
         }
     }
diff --git a/user-ops-indexer/user-ops-indexer-logic/src/types/bundle.rs b/user-ops-indexer/user-ops-indexer-logic/src/types/bundle.rs
index 67b591091..85e1f1a7a 100644
--- a/user-ops-indexer/user-ops-indexer-logic/src/types/bundle.rs
+++ b/user-ops-indexer/user-ops-indexer-logic/src/types/bundle.rs
@@ -6,10 +6,10 @@ use ethers_core::{abi::AbiEncode, utils::to_checksum};
 #[derive(Clone, Debug, PartialEq)]
 pub struct Bundle {
     pub transaction_hash: H256,
-    pub bundle_index: u64,
+    pub bundle_index: u32,
     pub block_number: u64,
     pub bundler: Address,
-    pub timestamp: u64,
+    pub timestamp: String,
     pub total_ops: u32,
 }
 
@@ -17,11 +17,14 @@ impl From<BundleDB> for Bundle {
     fn from(v: BundleDB) -> Self {
         Self {
             transaction_hash: H256::from_slice(&v.transaction_hash),
-            bundle_index: v.bundle_index as u64,
+            bundle_index: v.bundle_index as u32,
             block_number: v.block_number as u64,
             bundler: Address::from_slice(&v.bundler),
             total_ops: v.total_ops as u32,
-            timestamp: v.timestamp.timestamp() as u64,
+            timestamp: v
+                .timestamp
+                .and_utc()
+                .to_rfc3339_opts(chrono::SecondsFormat::Micros, true),
         }
     }
 }
diff --git a/user-ops-indexer/user-ops-indexer-logic/src/types/user_op.rs b/user-ops-indexer/user-ops-indexer-logic/src/types/user_op.rs
index 9ea7b56e3..59150fa13 100644
--- a/user-ops-indexer/user-ops-indexer-logic/src/types/user_op.rs
+++ b/user-ops-indexer/user-ops-indexer-logic/src/types/user_op.rs
@@ -28,8 +28,8 @@ pub struct UserOp {
     pub block_number: u64,
     pub block_hash: H256,
     pub bundler: Address,
-    pub bundle_index: u64,
-    pub index: u64,
+    pub bundle_index: u32,
+    pub index: u32,
     pub factory: Option<Address>,
     pub paymaster: Option<Address>,
     pub status: bool,
@@ -38,12 +38,12 @@ pub struct UserOp {
     pub gas_price: U256,
     pub gas_used: u64,
     pub sponsor_type: SponsorType,
-    pub user_logs_start_index: u64,
-    pub user_logs_count: u64,
+    pub user_logs_start_index: u32,
+    pub user_logs_count: u32,
     pub fee: U256,
 
     pub consensus: Option<bool>,
-    pub timestamp: Option<u64>,
+    pub timestamp: Option<String>,
 }
 
 #[derive(Clone, Debug, PartialEq)]
@@ -52,7 +52,7 @@ pub struct ListUserOp {
     pub block_number: u64,
     pub sender: Address,
     pub transaction_hash: H256,
-    pub timestamp: u64,
+    pub timestamp: String,
     pub status: bool,
     pub fee: U256,
 }
@@ -119,8 +119,8 @@ impl From<Model> for UserOp {
             block_number: v.block_number as u64,
             block_hash: H256::from_slice(&v.block_hash),
             bundler: Address::from_slice(&v.bundler),
-            bundle_index: v.bundle_index as u64,
-            index: v.index as u64,
+            bundle_index: v.bundle_index as u32,
+            index: v.index as u32,
             factory: v.factory.clone().map(|a| Address::from_slice(&a)),
             paymaster: v.paymaster.clone().map(|a| Address::from_slice(&a)),
             status: v.status,
@@ -129,8 +129,8 @@ impl From<Model> for UserOp {
             gas_price: U256::from(v.gas_price.to_u128().unwrap_or(0)),
             gas_used: v.gas_used.to_u64().unwrap_or(0),
             sponsor_type: v.sponsor_type.clone(),
-            user_logs_start_index: v.user_logs_start_index as u64,
-            user_logs_count: v.user_logs_count as u64,
+            user_logs_start_index: v.user_logs_start_index as u32,
+            user_logs_count: v.user_logs_count as u32,
             fee: U256::from(v.gas_price.mul(v.gas_used).to_u128().unwrap_or(0)),
 
             consensus: None,
@@ -145,18 +145,34 @@ impl From<UserOp> for user_ops_indexer_proto::blockscout::user_ops_indexer::v1::
             hash: v.hash.encode_hex(),
             sender: to_checksum(&v.sender, None),
             nonce: v.nonce.encode_hex(),
-            init_code: v.init_code.map(|b| b.to_string()),
             call_data: v.call_data.to_string(),
             call_gas_limit: v.call_gas_limit,
             verification_gas_limit: v.verification_gas_limit,
             pre_verification_gas: v.pre_verification_gas,
             max_fee_per_gas: v.max_fee_per_gas.to_string(),
             max_priority_fee_per_gas: v.max_priority_fee_per_gas.to_string(),
-            paymaster_and_data: v.paymaster_and_data.map(|b| b.to_string()),
             signature: v.signature.to_string(),
+            raw: Some(
+                user_ops_indexer_proto::blockscout::user_ops_indexer::v1::RawUserOp {
+                    sender: to_checksum(&v.sender, None),
+                    nonce: U256::from(v.nonce.as_fixed_bytes()).to_string(),
+                    init_code: v.init_code.map_or("0x".to_string(), |b| b.to_string()),
+                    call_data: v.call_data.to_string(),
+                    call_gas_limit: v.call_gas_limit,
+                    verification_gas_limit: v.verification_gas_limit,
+                    pre_verification_gas: v.pre_verification_gas,
+                    max_fee_per_gas: v.max_fee_per_gas.to_string(),
+                    max_priority_fee_per_gas: v.max_priority_fee_per_gas.to_string(),
+                    paymaster_and_data: v
+                        .paymaster_and_data
+                        .map_or("0x".to_string(), |b| b.to_string()),
+                    signature: v.signature.to_string(),
+                },
+            ),
             aggregator: v.aggregator.map(|a| to_checksum(&a, None)),
             aggregator_signature: v.aggregator_signature.map(|b| b.to_string()),
             entry_point: to_checksum(&v.entry_point, None),
+            entry_point_version: "v0.6".to_string(),
             transaction_hash: v.transaction_hash.encode_hex(),
             block_number: v.block_number,
             block_hash: v.block_hash.encode_hex(),
@@ -188,7 +204,10 @@ impl From<ListUserOpDB> for ListUserOp {
             block_number: v.block_number as u64,
             sender: Address::from_slice(&v.sender),
             transaction_hash: H256::from_slice(&v.transaction_hash),
-            timestamp: v.timestamp.timestamp() as u64,
+            timestamp: v
+                .timestamp
+                .and_utc()
+                .to_rfc3339_opts(chrono::SecondsFormat::Micros, true),
             status: v.status,
             fee: U256::from(v.gas_price.mul(v.gas_used).to_u128().unwrap_or(0)),
         }
diff --git a/user-ops-indexer/user-ops-indexer-proto/proto/user-ops-indexer.proto b/user-ops-indexer/user-ops-indexer-proto/proto/user-ops-indexer.proto
index f01e4c245..c460d1226 100644
--- a/user-ops-indexer/user-ops-indexer-proto/proto/user-ops-indexer.proto
+++ b/user-ops-indexer/user-ops-indexer-proto/proto/user-ops-indexer.proto
@@ -2,6 +2,8 @@ syntax = "proto3";
 
 package blockscout.userOpsIndexer.v1;
 
+import "google/protobuf/struct.proto";
+
 option go_package = "github.com/blockscout/blockscout-rs/user-ops-indexer";
 
 service UserOpsService {
@@ -74,7 +76,7 @@ message ListUserOpsRequest {
   optional string factory = 4;
   optional string transaction_hash = 5;
   optional string entry_point = 6;
-  optional uint64 bundle_index = 7;
+  optional uint32 bundle_index = 7;
   optional uint64 block_number = 8;
   optional uint32 page_size = 9;
   optional string page_token = 10;
@@ -120,7 +122,7 @@ message Account {
   optional string factory = 2;
   optional string creation_transaction_hash = 3;
   optional string creation_op_hash = 4;
-  optional uint64 creation_timestamp = 5;
+  optional string creation_timestamp = 5;
   uint32 total_ops = 6;
 }
 
@@ -128,8 +130,8 @@ message Bundle {
   string transaction_hash = 1;
   string bundler = 2;
   uint64 block_number = 3;
-  uint64 bundle_index = 4;
-  uint64 timestamp = 5;
+  uint32 bundle_index = 4;
+  string timestamp = 5;
   uint32 total_ops = 6;
 }
 
@@ -149,28 +151,42 @@ message Factory {
   uint32 total_accounts = 2;
 }
 
+message RawUserOp {
+  string sender = 1;
+  string nonce = 2;
+  string init_code = 3;
+  string call_data = 4;
+  uint64 call_gas_limit = 5;
+  uint64 verification_gas_limit = 6;
+  uint64 pre_verification_gas = 7;
+  string max_fee_per_gas = 8;
+  string max_priority_fee_per_gas = 9;
+  string paymaster_and_data = 10;
+  string signature = 11;
+}
+
 message UserOp {
   string hash = 1;
   string sender = 2;
   string nonce = 3;
-  optional string init_code = 4;
-  string call_data = 5;
-  uint64 call_gas_limit = 6;
-  uint64 verification_gas_limit = 7;
-  uint64 pre_verification_gas = 8;
-  string max_fee_per_gas = 9;
-  string max_priority_fee_per_gas = 10;
-  optional string paymaster_and_data = 11;
-  string signature = 12;
-  optional string aggregator = 13;
-  optional string aggregator_signature = 14;
-  string entry_point = 15;
+  string call_data = 4;
+  uint64 call_gas_limit = 5;
+  uint64 verification_gas_limit = 6;
+  uint64 pre_verification_gas = 7;
+  string max_fee_per_gas = 8;
+  string max_priority_fee_per_gas = 9;
+  string signature = 10;
+  RawUserOp raw = 11;
+  optional string aggregator = 12;
+  optional string aggregator_signature = 13;
+  string entry_point = 14;
+  string entry_point_version = 15;
   string transaction_hash = 16;
   uint64 block_number = 17;
   string block_hash = 18;
   string bundler = 19;
-  uint64 bundle_index = 20;
-  uint64 index = 21;
+  uint32 bundle_index = 20;
+  uint32 index = 21;
   optional string factory = 22;
   optional string paymaster = 23;
   bool status = 24;
@@ -179,12 +195,12 @@ message UserOp {
   string gas_price = 27;
   uint64 gas_used = 28;
   string sponsor_type = 29;
-  uint64 user_logs_start_index = 30;
-  uint64 user_logs_count = 31;
+  uint32 user_logs_start_index = 30;
+  uint32 user_logs_count = 31;
   string fee = 32;
 
   optional bool consensus = 33;
-  optional uint64 timestamp = 34;
+  optional string timestamp = 34;
 }
 
 message ListUserOp {
@@ -192,7 +208,7 @@ message ListUserOp {
   uint64 block_number = 2;
   string transaction_hash = 3;
   string address = 4;
-  uint64 timestamp = 5;
+  string timestamp = 5;
   bool status = 6;
   string fee = 7;
 }
diff --git a/user-ops-indexer/user-ops-indexer-proto/swagger/user-ops-indexer.swagger.yaml b/user-ops-indexer/user-ops-indexer-proto/swagger/user-ops-indexer.swagger.yaml
index bc9efaa7e..cf51c84e8 100644
--- a/user-ops-indexer/user-ops-indexer-proto/swagger/user-ops-indexer.swagger.yaml
+++ b/user-ops-indexer/user-ops-indexer-proto/swagger/user-ops-indexer.swagger.yaml
@@ -258,8 +258,8 @@ paths:
         - name: bundle_index
           in: query
           required: false
-          type: string
-          format: uint64
+          type: integer
+          format: int64
         - name: block_number
           in: query
           required: false
@@ -358,7 +358,6 @@ definitions:
         type: string
       creation_timestamp:
         type: string
-        format: uint64
       total_ops:
         type: integer
         format: int64
@@ -373,11 +372,10 @@ definitions:
         type: string
         format: uint64
       bundle_index:
-        type: string
-        format: uint64
+        type: integer
+        format: int64
       timestamp:
         type: string
-        format: uint64
       total_ops:
         type: integer
         format: int64
@@ -464,7 +462,6 @@ definitions:
         type: string
       timestamp:
         type: string
-        format: uint64
       status:
         type: boolean
       fee:
@@ -494,11 +491,9 @@ definitions:
       total_ops:
         type: integer
         format: int64
-  v1UserOp:
+  v1RawUserOp:
     type: object
     properties:
-      hash:
-        type: string
       sender:
         type: string
       nonce:
@@ -524,12 +519,42 @@ definitions:
         type: string
       signature:
         type: string
+  v1UserOp:
+    type: object
+    properties:
+      hash:
+        type: string
+      sender:
+        type: string
+      nonce:
+        type: string
+      call_data:
+        type: string
+      call_gas_limit:
+        type: string
+        format: uint64
+      verification_gas_limit:
+        type: string
+        format: uint64
+      pre_verification_gas:
+        type: string
+        format: uint64
+      max_fee_per_gas:
+        type: string
+      max_priority_fee_per_gas:
+        type: string
+      signature:
+        type: string
+      raw:
+        $ref: '#/definitions/v1RawUserOp'
       aggregator:
         type: string
       aggregator_signature:
         type: string
       entry_point:
         type: string
+      entry_point_version:
+        type: string
       transaction_hash:
         type: string
       block_number:
@@ -540,11 +565,11 @@ definitions:
       bundler:
         type: string
       bundle_index:
-        type: string
-        format: uint64
+        type: integer
+        format: int64
       index:
-        type: string
-        format: uint64
+        type: integer
+        format: int64
       factory:
         type: string
       paymaster:
@@ -564,15 +589,14 @@ definitions:
       sponsor_type:
         type: string
       user_logs_start_index:
-        type: string
-        format: uint64
+        type: integer
+        format: int64
       user_logs_count:
-        type: string
-        format: uint64
+        type: integer
+        format: int64
       fee:
         type: string
       consensus:
         type: boolean
       timestamp:
         type: string
-        format: uint64
diff --git a/user-ops-indexer/user-ops-indexer-server/src/services/user_ops.rs b/user-ops-indexer/user-ops-indexer-server/src/services/user_ops.rs
index b48d144e7..f21e38bb0 100644
--- a/user-ops-indexer/user-ops-indexer-server/src/services/user_ops.rs
+++ b/user-ops-indexer/user-ops-indexer-server/src/services/user_ops.rs
@@ -174,7 +174,7 @@ impl UserOps for UserOpsService {
         let bundler_filter = inner.bundler.map(parse_filter).transpose()?;
         let entry_point_filter = inner.entry_point.map(parse_filter).transpose()?;
 
-        let page_token: Option<(u64, H256, u64)> =
+        let page_token: Option<(u64, H256, u32)> =
             inner.page_token.map(parse_filter_3).transpose()?;
         let page_size = self.normalize_page_size(inner.page_size);