diff --git a/package.json b/package.json
index 3a5956c..8d8b52d 100644
--- a/package.json
+++ b/package.json
@@ -6,6 +6,7 @@
     "@cerc-io/registry-sdk": "^0.2.5",
     "@cosmjs/amino": "^0.32.3",
     "@cosmjs/crypto": "^0.32.3",
+    "@cosmjs/encoding": "^0.33.1",
     "@cosmjs/proto-signing": "^0.32.3",
     "@cosmjs/stargate": "^0.32.3",
     "@emotion/react": "^11.13.0",
diff --git a/src/screens/SendTxEmbed.tsx b/src/screens/SendTxEmbed.tsx
index 025f0ed..1a56fe8 100644
--- a/src/screens/SendTxEmbed.tsx
+++ b/src/screens/SendTxEmbed.tsx
@@ -9,6 +9,7 @@ import { AuthInfo, SignDoc } from "cosmjs-types/cosmos/tx/v1beta1/tx";
 
 import { DirectSecp256k1Wallet, Algo, TxBodyEncodeObject } from '@cosmjs/proto-signing';
 import { SigningStargateClient } from '@cosmjs/stargate';
+import { toHex } from '@cosmjs/encoding';
 
 import { retrieveAccounts, retrieveSingleAccount } from '../utils/accounts'; // Use retrieveAccounts
 import AccountDetails from '../components/AccountDetails';
@@ -298,7 +299,7 @@ export const SendTxEmbed = () => {
                         publicKey: info.publicKey
                           ? {
                             ...info.publicKey,
-                            value: info.publicKey.value.toString(),
+                            value: toHex(info.publicKey.value),
                           }
                           : undefined,
                       })),
@@ -317,8 +318,8 @@ export const SendTxEmbed = () => {
                   {JSONbig.stringify(
                     {
                       ...transactionDetails.signDoc,
-                      bodyBytes: transactionDetails.signDoc.bodyBytes?.toString?.() ?? transactionDetails.signDoc.bodyBytes,
-                      authInfoBytes: transactionDetails.signDoc.authInfoBytes?.toString?.() ?? transactionDetails.signDoc.authInfoBytes,
+                      bodyBytes: toHex(transactionDetails.signDoc.bodyBytes),
+                      authInfoBytes: toHex(transactionDetails.signDoc.authInfoBytes),
                     },
                     null,
                     2
diff --git a/yarn.lock b/yarn.lock
index 9caa949..e7b7d0c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1410,6 +1410,15 @@
     bech32 "^1.1.4"
     readonly-date "^1.0.0"
 
+"@cosmjs/encoding@^0.33.1":
+  version "0.33.1"
+  resolved "https://registry.yarnpkg.com/@cosmjs/encoding/-/encoding-0.33.1.tgz#77d6a8e0152c658ecf07b5aee3f5968d9071da50"
+  integrity sha512-nuNxf29fUcQE14+1p//VVQDwd1iau5lhaW/7uMz7V2AH3GJbFJoJVaKvVyZvdFk+Cnu+s3wCqgq4gJkhRCJfKw==
+  dependencies:
+    base64-js "^1.3.0"
+    bech32 "^1.1.4"
+    readonly-date "^1.0.0"
+
 "@cosmjs/json-rpc@^0.32.4":
   version "0.32.4"
   resolved "https://registry.yarnpkg.com/@cosmjs/json-rpc/-/json-rpc-0.32.4.tgz#be91eb89ea78bd5dc02d0a9fa184dd6790790f0b"