Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEZcTvZdwmK5Y4m1CvX+XfKUfmUX8hNv45xGYOsP3gFoRlp7O0hBfDrH6KO… (844 chars)"
  }
}