Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQBC/thH9EiLQI1wWCdChksBYcyaDmTlc28CXNdNRYEAsHLC4fI7Uih4vI5A… (1,748 chars)"
  }
}