{
  "case_id": "case_021",
  "type": "NO_SIGNATURE",
  "document_type": "tamil_trade_license",
  "expected_outcome": "REJECTED",
  "expected_rejection_code": "NO_SIGNATURE_FOUND",
  "notes": "Signature field(s) left blank.",
  "authorized_signatory": {
    "name": "David Chen",
    "role": "director",
    "ref_paths": [
      "reference_1.png",
      "reference_2.png",
      "reference_3.png"
    ]
  },
  "signed_roles": [
    {
      "role": "owner",
      "signed_by": null,
      "status": "blank"
    },
    {
      "role": "licensing_officer",
      "signed_by": null,
      "status": "blank"
    }
  ]
}