Create one order line REST API not working for ATO Model

Hi,

Can someone help to get sample payload to create order line for ATO Model. I tried below jason format, but its not working.

{

                "SourceTransactionLineId": "1",

                "SourceTransactionLineNumber": "1",

                "SourceScheduleNumber": "1",

                "SourceTransactionScheduleId": "1",

                "OrderedUOMCode": "zzu",

                "OrderedQuantity": 1,

                "ProductNumber": "Test ATO Model",

                "FOBPoint": "Destination",

                "FreightTerms": "Add freight",

                "PaymentTerms": "30 Net",

                "ShipmentPriority": "High",

                        },

        {

                "SourceTransactionLineId": "2",

                "SourceTransactionLineNumber": "2",

                "SourceScheduleNumber": "1",

                "SourceTransactionScheduleId": "1",

                "OrderedUOMCode": "zzu",

                "OrderedQuantity": 1,

                "ProductNumber": "Item1",

                "FOBPoint": "Destination",

                "FreightTerms": "Add freight",

                "PaymentTerms": "30 Net",

                "ShipmentPriority": "High",

                                "ParentSourceTransactionLineId": "1"

        }