List alerts

{
  "success": true,
  "data": [
    {
      "alertId": "al_aBcD...",
      "customerId": "usr_aBcD...",
      "vendorId": "cmp_aBcD...",
      "vendorName": "TEKCIFY TECHNOLOGIES LTD",
      "eventId": "evt_aBcDeFgH...",
      "severity": "HIGH",
      "title": "TIN status changed",
      "message": "TIN status changed from ACTIVE to INACTIVE for TEKCIFY TECHNOLOGIES LTD.",
      "whatChanged": "TIN status changed from ACTIVE to INACTIVE",
      "monitoringUrl": "https://app.vouchmark.com/monitoring/vendors/cmp_aBcD...",
      "read": false,
      "createdAt": "2026-05-11T18:42:00Z",
      "updatedAt": "2026-05-11T18:42:00Z"
    }
  ],
  "pagination": {
    "page": 1,
    "limit": 20,
    "total": 1,
    "totalPages": 1
  }
}

{
  "success": true,
  "data": {
    "alertId": "al_aBcD...",
    "read": true,
    "updatedAt": "2026-05-12T09:15:00Z",
    "vendorId": "cmp_aBcD...",
    "eventId": "evt_aBcDeFgH..."
  }
}