Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGt9EYcaGd2YSQ5Wu8jlBzyvunlVCKXKigKiD2Zerz6eHwxVNZuNjl9KnYs… (844 chars)"
  }
}