{
  "success": true,
  "data": {
    "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "is_viewed": true,
    "status": "contacted",
    "viewed_at": "2023-11-07T05:31:56Z"
  }
}

{
  "success": false,
  "error": {
    "code": "invalid_request",
    "message": "Invalid request"
  }
}

{
  "success": false,
  "error": {
    "code": "unauthorized",
    "message": "API key required"
  }
}

{
  "success": false,
  "error": {
    "code": "not_found",
    "message": "Resource not found"
  }
}

{
  "success": false,
  "error": {
    "code": "rate_limited",
    "message": "Rate limit exceeded",
    "details": {
      "retry_after_seconds": 12,
      "limit": 60,
      "remaining": 0
    }
  }
}