Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCvA4lBqgZChHz1cVuiGi2Sb1x0fhP+WdVZEILPZpujDkZV+YIH6M7609cU… (1,748 chars)"
  }
}