Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCcBqDGA/BB7y8gY/eeGp4LyrSk6MjltepW8vWNvOqdThv2OgUpDdJTw7fZ… (1,748 chars)"
  }
}