diff --git a/examples/node/scripts/authenticate.ts b/examples/node/scripts/authenticate.ts
index 5ac89d4887..54724fd154 100644
--- a/examples/node/scripts/authenticate.ts
+++ b/examples/node/scripts/authenticate.ts
@@ -17,8 +17,8 @@ async function main() {
   }
 
   const { id, text } = await client.authentication.generateChallenge({
-    profileId: ownedProfiles.items[0].id,
-    address,
+    signedBy: address,
+    for: ownedProfiles.items[0].id,
   });
 
   const signature = await wallet.signMessage(text);
diff --git a/examples/node/scripts/shared/getAuthenticatedClient.ts b/examples/node/scripts/shared/getAuthenticatedClient.ts
index d7a0563594..3537110b4c 100644
--- a/examples/node/scripts/shared/getAuthenticatedClient.ts
+++ b/examples/node/scripts/shared/getAuthenticatedClient.ts
@@ -20,8 +20,8 @@ export async function getAuthenticatedClientFromEthersWallet(wallet: Wallet): Pr
   const profileId = await getOwnedProfileId(lensClient, address);
 
   const { id, text } = await lensClient.authentication.generateChallenge({
-    address,
-    profileId,
+    signedBy: address,
+    for: profileId,
   });
   const signature = await wallet.signMessage(text);
 
@@ -38,8 +38,8 @@ export async function getAuthenticatedClientFromViemWalletClient(walletClient: W
   const profileId = await getOwnedProfileId(lensClient, address);
 
   const { id, text } = await lensClient.authentication.generateChallenge({
-    address,
-    profileId,
+    signedBy: address,
+    for: profileId,
   });
   const signature = await walletClient.signMessage({ account: address, message: text });
 
diff --git a/examples/node/scripts/shared/uploadWithBundlr.ts b/examples/node/scripts/shared/uploadWithBundlr.ts
index 57d099898a..1cc3950648 100644
--- a/examples/node/scripts/shared/uploadWithBundlr.ts
+++ b/examples/node/scripts/shared/uploadWithBundlr.ts
@@ -8,7 +8,7 @@ export async function uploadWithBundlr(data: { [key: string]: unknown }): Promis
   });
 
   const atomicBalance = await bundlr.getLoadedBalance();
-  const balance = bundlr.utils.unitConverter(atomicBalance);
+  const balance = bundlr.utils.fromAtomic(atomicBalance);
 
   console.log(`Bundlr balance for wallet ${bundlr.address} is ${balance.toString()} MUMBAI MATIC`);