Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHIKk0dJYpWnOe+ekg7lRrFNKfSX0QpOcyTHlnSr9shoSQkJwFjp1UUs7eW… (844 chars)"
  }
}