Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQC5iZq9DLxjGLD8Agx5UBtRxA6JQEPmCs8qZ9M9YM1jFHyawN5D/MD6Pw1c… (1,748 chars)"
  }
}