Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHnwO+ect+JFyb/lZR4zVrPHVNnKcmdYx+9uyPeQlutoWbXXNVXFs6n3qe7… (844 chars)"
  }
}