Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCx/AeZKR93NyWG9VDuPhOI/HPSjt8Ui/EgO9M0+S7WJhNHrj/njTPY9XOx… (844 chars)"
  }
}