{
  "external_id": "DEMO-PRODUCT-001-BLK",
  "facts": {
    "barcode": "6000000000001",
    "external_product_id": "DEMO-PRODUCT-001",
    "options": {
      "colour": "black"
    },
    "sku": "DEMO-KETTLE-BLK",
    "weight_grams": 1250
  },
  "partner_supplier_link_id": "00000000-0000-4000-8000-000000000102",
  "resource_type": "variant",
  "source_sequence": 1,
  "source_system": "partner_demo",
  "supplier_id": "00000000-0000-4000-8000-000000000101"
}