Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwKOxi6tE2QhAYoHoXt4rMw9hQ5uzWXNtC3/08/yWK/u/z8jRsx0cz8s64Q5… (844 chars)"
  }
}