Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCVnP+djcgTNQtqt1/gaxGlWXkfnW102WL/ZRvQz3izFwYla4l+f0eS0FAc… (1,748 chars)"
  }
}