Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFxB7WfUpB+hgmSQ/cj4EIoSdyFWJYfLSy+U+Y8jjfb5jUztDneA4+0o8p1… (844 chars)"
  }
}