GenericResponse_List_DepartmentUsageItem__(GenericResponse[List[DepartmentUsageItem]])

{
    "code": 0,
    "msg": "string",
    "data": [
        {
            "department_name": "string",
            "contract_review": 0,
            "contract_verification": 0,
            "contract_comparison": 0,
            "total": 0
        }
    ]
}