Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwG4TsJHcKwjNBsPpJwTeW31TscuG7Kd0NdrGsGtEw8d/0wYgzOd17MqLlF4… (844 chars)"
  }
}