diff --git a/clients/js/injective.ts b/clients/js/injective.ts
index 2e7f5677e..a7e8d21ea 100644
--- a/clients/js/injective.ts
+++ b/clients/js/injective.ts
@@ -31,7 +31,7 @@ export async function execute_injective(
 
   const network = getNetworkInfo(endPoint);
   const walletPKHash = n.key;
-  const walletPK = PrivateKey.fromHex(walletPKHash);
+  const walletPK = PrivateKey.fromMnemonic(walletPKHash);
   const walletInjAddr = walletPK.toBech32();
   const walletPublicKey = walletPK.toPublicKey().toBase64();
 
@@ -130,7 +130,9 @@ export async function execute_injective(
     contractAddress: target_contract,
     exec: {
       action,
-      ...execute_msg[action],
+      msg: {
+        ...execute_msg[action],
+      },
     },
   });
   console.log("transaction:", transaction);
@@ -141,10 +143,6 @@ export async function execute_injective(
   const { signBytes, txRaw } = createTransaction({
     message: transaction.toDirectSign(),
     memo: "",
-    fee: {
-      ...DEFAULT_STD_FEE,
-      gas: (parseInt(DEFAULT_STD_FEE.gas, 10) * 2.5).toString(),
-    },
     pubKey: walletPublicKey,
     sequence: parseInt(accountDetails.account.base_account.sequence, 10),
     accountNumber: parseInt(
diff --git a/clients/js/networks.ts b/clients/js/networks.ts
index d273b8798..9b5e1c7d0 100644
--- a/clients/js/networks.ts
+++ b/clients/js/networks.ts
@@ -86,8 +86,9 @@ const MAINNET = {
       "85957f38de1768d6db9eab29bee9dd2a01462aff9c8d83daefb9bcd2506c32d2",
   },
   injective: {
-    rpc: undefined,
-    key: undefined,
+    rpc: "http://sentry0.injective.network:26657",
+    chain_id: "injective-1",
+    key: get_env_var("INJECTIVE_KEY"),
   },
   osmosis: {
     rpc: undefined,