{
  "external_id": "DEMO-OFFER-001",
  "facts": {
    "currency_code": "ZAR",
    "external_variant_id": "DEMO-PRODUCT-001-BLK",
    "lead_time_days": 2,
    "minimum_order_quantity": 1,
    "supplier_cost_cents": 12000,
    "supplier_cost_tax_mode": "tax_exclusive",
    "supplier_sku": "DEMO-KETTLE-BLK",
    "supplier_tax_rate_bps": 1500
  },
  "partner_supplier_link_id": "00000000-0000-4000-8000-000000000103",
  "resource_type": "offer",
  "source_sequence": 1,
  "source_system": "partner_demo",
  "supplier_id": "00000000-0000-4000-8000-000000000101"
}