Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDrJMFcJoLy9EsyLmQabxwuSV1oXpJHqY9ciliYOzdViWoI7WPIgJYokmN9… (1,748 chars)"
  }
}