Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQABC/zi7AHUPD7OJ+VEpb0pqwfn64O17M3irRHqTqWANQxT7m0aOKQTo2m+… (1,748 chars)"
  }
}