Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwBGBC/aCuT9+jgMQMvl7aIgD9EVRUZXDL8llz7h+45YQja9zM8HfHUlgGSY… (844 chars)"
  }
}