Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBdCVTcJkTJEOrUxiVkBkMjj/bbgwWt5mFtFBzK2gVqeyfwUHMKx0HYJUr/… (1,748 chars)"
  }
}