Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBnUuXNUFQOKgb6tDuCpbEnxOIRGPnkTKOsXo7Jqq9Q7XajUgwNIiLjIhZC… (1,748 chars)"
  }
}