Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwE/6WDYsaFpS7hzNrqGUTM5vWZqpPwi6g9VzDdIKaHBUFLCDeOQhtroSZTd… (844 chars)"
  }
}