Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQDo5Mvr6XHFuWh/ExEZHA9aiq3NqkDjLa9PjkBUxXUG7AV2sSQzt4kjzxJ7… (1,748 chars)"
  }
}