[{"properties": {"broker": {"properties": {"name": "ACME Home Heating"},
                            "type": "http://schema.org/LocalBusiness"},
                 "customer": {"properties": {"name": "Jane Doe"},
                              "type": "http://schema.org/Person"},
                 "description": "New furnace and installation",
                 "minimumPaymentDue": {"properties": {"price": "0.00",
                                                      "priceCurrency": "USD"},
                                       "type": "http://schema.org/PriceSpecification"},
                 "paymentDueDate": "2015-01-30",
                 "paymentStatus": "http://schema.org/PaymentComplete",
                 "referencesOrder": [{"properties": {"description": "furnace",
                                                     "orderDate": "2014-12-01",
                                                     "orderNumber": "123ABC",
                                                     "orderedItem": {"properties": {"name": "ACME Furnace 3000",
                                                                                    "productId": "ABC123"},
                                                                     "type": "http://schema.org/Product"}},
                                      "type": "http://schema.org/Order"},
                                     {"properties": {"description": "furnace installation",
                                                     "orderDate": "2014-12-02",
                                                     "orderedItem": {"properties": {"description": "furnace installation"},
                                                                     "type": "http://schema.org/Service"}},
                                      "type": "http://schema.org/Order"}],
                 "totalPaymentDue": {"properties": {"price": "0.00",
                                                    "priceCurrency": "USD"},
                                     "type": "http://schema.org/PriceSpecification"}},
  "type": "http://schema.org/Invoice"}]
