Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBSfJZYtK/uMXuFx0tIwEzAQUy+Om7UDlXCEW8wJLnGBG93fwcF8HJBro/0… (1,748 chars)"
  }
}