{
  "shipment_reference": "DEMO-SHIPMENT-0042",
  "supplier_name": "Example Supply Company - synthetic",
  "consignee_name": "Example Consignee - synthetic",
  "packing_date": "2026-09-30",
  "package_count": 1,
  "packing_rows": [
    {
      "item_reference": "DEMO-ITEM-0042",
      "description": "Example document line - original synthetic data",
      "quantity": 1,
      "unit_of_measure": "each",
      "package_count": 1,
      "lot_reference": "DEMO-LOT-0042"
    }
  ]
}