Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDzkaWeV9gzqU9iDduX8vrwj9TWmCVvxJfieR7i+qcZQUTUlrVe+7J9ZG2L… (1,748 chars)"
  }
}