signed_msg_send.ts

import { coins, DirectSecp256k1HdWallet, Registry } from "@cosmjs/proto-signing";
import { defaultRegistryTypes, SigningStargateClient } from "@cosmjs/stargate";

async function main() {
  const mnemonic = "your wallet mnemonic";
  const wallet = await DirectSecp256k1HdWallet.fromMnemonic(mnemonic, { prefix: "akash" });

  // get first account
  const [account] = await wallet.getAccounts();

  // Setup a send message
  const message = {
    fromAddress: account.address,
    toAddress: "akash123...",
    amount: coins(10, "akt")
  };

  // Set the appropriate typeUrl and attach the encoded message as the value
  const msgAny = {
    typeUrl: "/cosmos.bank.v1beta1.MsgSend",
    value: message
  };

  // You can use your own RPC node, or get a list of public nodes from akashjs
  const rpcEndpoint = "http://your.rpc.node";

  const myRegistry = new Registry(defaultRegistryTypes);

  const client = await SigningStargateClient.connectWithSigner(rpcEndpoint, wallet, {
    registry: myRegistry
  });

  const fee = {
    amount: [
      {
        denom: "uakt",
        amount: "5000"
      }
    ],
    gas: "800000"
  };

  const msg = await client.sign(account.address, [msgAny], fee, "send funds with akashjs");

  console.log(msg);
}

main();