I came across the same problem but i solved it like this and it worked for me, i don't know if it will help you: { "customer": { "id": "10000", "order": "some-customer-order-nbr" }, "type": "SO", "description": "sample request order", "status": "Hold", "orderLines": [ { "inventoryId": "101010", "quantity": 3, "unitPrice": 100, "subaccount": { "1": "0", "2": "00" } } ] }
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