Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQEZBKQ4WPupzqlFqoy5oAwO1JNLWPXOv1ZicYXfvSOROHmcpN9gPHBh7oKJ… (1,748 chars)"
  }
}