{
  "vendor_reference": "DEMO-VENDOR-0042",
  "supplier_name": "Example Supply Company - synthetic",
  "request_date": "2026-09-30",
  "effective_date": "2026-10-01",
  "changed_fields": [
    {
      "field_name": "Example Field - synthetic",
      "previous_value_text": "Previous value text explicitly printed in the original synthetic source for reviewer context.",
      "requested_value_text": "Requested value text explicitly printed in the original synthetic source for reviewer context.",
      "change_reason": "Example change reason - synthetic"
    }
  ],
  "signer_name": "Example Signer - synthetic"
}