{
  "supplier_name": "Example Supply Company - synthetic",
  "vendor_reference": "DEMO-VENDOR-0042",
  "request_date": "2026-09-30",
  "effective_date": "2026-10-01",
  "bank_name": "Example Bank - synthetic",
  "account_last_four": "0042",
  "signer_name": "Example Signer - synthetic",
  "change_reason": "Example change reason - synthetic"
}