Shipment updated

{
  "reference_number": "<string>",
  "status": "unscheduled",
  "total_weight": 123,
  "total_boxes": 123,
  "shipment_items_count": 123,
  "shipment_items": [
    {
      "product_id": "<string>",
      "product_name": "<string>",
      "product_image_url": "<string>",
      "sku": "<string>",
      "quantity": 123,
      "free_quantity": 123,
      "is_free_item": true
    }
  ],
  "shipping_amount": 123,
  "shipping_tax_amount": 123,
  "shipping_amount_including_tax": 123,
  "courier_company_name": "<string>",
  "shipping_label_url": "<string>",
  "awb_no": "<string>",
  "tracking_url": "<string>",
  "eta_delivery": "<string>",
  "shipped_date": "2023-11-07T05:31:56Z",
  "delivered_date": "2023-11-07T05:31:56Z",
  "cancellation_reason": "<string>",
  "created_at": "2023-11-07T05:31:56Z",
  "modified_at": "2023-11-07T05:31:56Z"
}

{
  "message": "<string>",
  "success": true,
  "code": "<string>",
  "error": {
    "fieldname": [
      "<string>"
    ]
  }
}