Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQEjr3/o2vREsiM0WkuKiDTL7t027BgbDU3RczFaQT5dsjnCxTZRYpS8iUJ9… (1,748 chars)"
  }
}