Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQB7zzxCBoNfXXN0+ih4xkjI5M3y9iwJuWbbCvuk1n37QXT/KzuDcO2AiNs/… (1,748 chars)"
  }
}