Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQC5cBJTZw6dSJ6d3V9oW4Ke1Jmrkvg0+V+EH9KM+UVM9mZWD0irrWfDOoRZ… (1,748 chars)"
  }
}