Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwDwQ0H2KJ+qFdBTh6S5xpb4UrJ7/xgkB9bUwMTw92cLiQmhmqNO0cunKQy+… (844 chars)"
  }
}