{
    "result_code": "000",
    "message": "Success with flexible lengths",
    "data": {
        "link_sys_company_code": "123", 
        "link_sys_store_code": "678",
        "business_date": "2025-11-13",
        "sales_data": [
            {
                "accounting_slip_number": "SLIP-001",
                "person_quantity_total": 5
            }
        ]
    }
}