{
  "id": "bank_doc_03",
  "source_image": "image/guarantee/image.png",
  "document_type": "deed_of_guarantee",
  "pages": [
    {
      "page": 1,
      "page_size": [1024, 559],
      "dpi": 300,
      "signature_boxes": [
        {
          "id": "sig1",
          "x1": 595,
          "y1": 399,
          "x2": 748,
          "y2": 431,
          "role": "Guarantor (Authorized Signatory)",
          "name": "Guarantor"
        },
        {
          "id": "sig2",
          "x1": 805,
          "y1": 399,
          "x2": 955,
          "y2": 431,
          "role": "Bank Representative",
          "name": "Lender"
        }
      ]
    }
  ]
}