Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwBTCAjI4DzthXGd+BgmkGTuF5RQfh5/QD5YJbECB11+lDt9VHIu9Xl7zv+5… (844 chars)"
  }
}