Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQEfvxjsLlf8sDJT9XwBWNw3m6J63nb+ApuX5MSR9+YSAwT8Ewvq2Hw4TKBY… (1,748 chars)"
  }
}