{
  "request_no": "PR-20251014-013",
  "job_no": "TK-MP-TEST-001",
  "created_at": "2025-10-14T02:47:17.256790",
  "materials": [
    {
      "material_id": 89465,
      "description": "SWG, 150LB, H/F/I/O SS304/GRAPHITE/SS304/SS304, 4.5mm",
      "category": "GASKET",
      "size": "1/2\"",
      "material_grade": "SS304",
      "quantity": 44,
      "unit": "EA",
      "user_requirement": ""
    }
  ],
  "grouped_materials": [
    {
      "group_key": "SWG, 150LB, H/F/I/O SS304/GRAPHITE/SS304/SS304, 4.5mm|1/2\"|undefined|SS304",
      "material_ids": [
        89465
      ],
      "description": "SWG, 150LB, H/F/I/O SS304/GRAPHITE/SS304/SS304, 4.5mm",
      "category": "GASKET",
      "size": "1/2\"",
      "material_grade": "SS304",
      "quantity": 44,
      "unit": "EA",
      "user_requirement": ""
    }
  ]
}