Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQHpEdd83QNq1gpNOe8G1s7qxLc/+0OW4vVaym8+c/FQAWTtv8MH7EJM8T3Z… (1,748 chars)"
  }
}