{
  "current": {
    "totalChecks": 0,
    "successfulChecks": 0,
    "failedChecks": 0,
    "errorRate": 0,
    "uptimePercentage": 0,
    "avgResponseTime": 0
  },
  "previous": {
    "totalChecks": 0,
    "successfulChecks": 0,
    "failedChecks": 0,
    "errorRate": 0,
    "uptimePercentage": 0,
    "avgResponseTime": 0
  },
  "changes": {
    "totalChecks": 0,
    "avgResponseTime": 0,
    "errorRate": 0,
    "uptimePercentage": 0
  }
}

{
  "code": "BAD_REQUEST",
  "message": "Invalid input data",
  "issues": []
}

{
  "code": "UNAUTHORIZED",
  "message": "Authorization not provided",
  "issues": []
}

{
  "code": "FORBIDDEN",
  "message": "Insufficient access",
  "issues": []
}

{
  "code": "NOT_FOUND",
  "message": "Not found",
  "issues": []
}

{
  "code": "INTERNAL_SERVER_ERROR",
  "message": "Internal server error",
  "issues": []
}