Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQB6wq8i6NBKmpa/4wgtBofzVuRgWVKrKJj8g+LbdPVq9SxnjsCfgUjvE+S+… (1,748 chars)"
  }
}