diff --git a/prediction_market_agent_tooling/tools/web3_utils.py b/prediction_market_agent_tooling/tools/web3_utils.py
index d98c7df5..cf895c51 100644
--- a/prediction_market_agent_tooling/tools/web3_utils.py
+++ b/prediction_market_agent_tooling/tools/web3_utils.py
@@ -153,6 +153,9 @@ def _prepare_tx_params(
         from_checksummed = Web3.to_checksum_address(tx_params_new["from"])
         tx_params_new["nonce"] = web3.eth.get_transaction_count(from_checksummed)
 
+    if not tx_params_new.get("chainId"):
+        tx_params_new["chainId"] = web3.eth.chain_id
+
     if access_list is not None:
         tx_params_new["accessList"] = access_list
 
@@ -297,7 +300,7 @@ def send_xdai_to(
     from_private_key: PrivateKey,
     to_address: ChecksumAddress,
     value: Wei,
-    data_text: Optional[str] = None,
+    data_text: Optional[str | bytes] = None,
     tx_params: Optional[TxParams] = None,
     timeout: int = 180,
 ) -> TxReceipt:
@@ -305,7 +308,11 @@ def send_xdai_to(
 
     tx_params_new: TxParams = {"value": value, "to": to_address}
     if data_text is not None:
-        tx_params_new["data"] = Web3.to_bytes(text=data_text)
+        tx_params_new["data"] = (
+            Web3.to_bytes(text=data_text)
+            if not isinstance(data_text, bytes)
+            else data_text
+        )
     if tx_params:
         tx_params_new.update(tx_params)
     tx_params_new = _prepare_tx_params(web3, from_address, tx_params=tx_params_new)
diff --git a/pyproject.toml b/pyproject.toml
index fc8209d8..af8ef235 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "prediction-market-agent-tooling"
-version = "0.57.4"
+version = "0.57.5"
 description = "Tools to benchmark, deploy and monitor prediction market agents."
 authors = ["Gnosis"]
 readme = "README.md"