{
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    "new_supplier_details": {
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      "phone": null,
      "contact_person": null
    }
  },
  "step2_line_items": [
    {
      "material_name": null,
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      "specs": [],
      "quantity": null,
      "unit": null,
      "unit_price": null,
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    }
  ],
  "step3_termsheets": [
    {
      "label": null,
      "milestones": [
        {
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      ],
      "covered_items": []
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  ],
  "step4_projects": {
    "projects": [],
    "item_project_assignments": [
      {
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        "assigned_projects": []
      }
    ]
  },
  "step5_review_and_metadata": {
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    "notes": null,
    "proforma_file": null
  }
}