Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCHVK83pJpZrpUyJR+1BJ0XoqItLNkwy8kbVe91JhXnh3EKxcp+Lc9xw9Mu… (844 chars)"
  }
}