Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwG2K6Sg3UN1iE4xRjSgIbRMjAjZ9qtDX6oEoQBHVNT403pFSj5TkPpiAP+4… (844 chars)"
  }
}