Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQDUYdVlo/Y0wwy0bVxfzejwSPDU8T2u2YR9vu8h2MGOMARaYxjtbrFZHh6a… (1,748 chars)"
  }
}