{
  "id": "alert-001",
  "name": "Missing Values Detected",
  "severity": "HIGH",
  "status": "OPEN",
  "message": "Column 'email' has 15% null values, exceeding threshold of 5%",
  "datasetId": "dataset-customers-001",
  "ruleId": "rule-null-check-001",
  "createdAt": "2024-01-15T10:30:00Z",
  "updatedAt": "2024-01-15T10:30:00Z"
}