Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEzqWrDK0jgdGqBYTX6HjP1AzkHpCFgRHUhnoFkZHnfB3Xig2vSllY3YHL6… (844 chars)"
  }
}