const call1 = approve({
  contract: USDT_CONTRACT,
  amount: 100,
  spender: "0x2a4f24F935Eb178e3e7BA9B53A5Ee6d8407C0709",
});
const call2 = transfer({
  contract: USDT_CONTRACT,
  to: "0x2a4f24F935Eb178e3e7BA9B53A5Ee6d8407C0709",
  amount: 100,
});
const result = await sendAndConfirmCalls({
  calls: [call1, call2],
  wallet: wallet,
});
console.log("Transaction receipts:", result.receipts);