Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHPmSTz9u/hsCc32vGGaW1tlw0RpqFkHSU9m2LmcCYd6jFHmPoKzE1vAhNw… (844 chars)"
  }
}