{
    "success": boolean,
    "errors": [],
    "results": [
        {
            "skuId": integer,
            "quantity": integer,
            "isCustom": boolean
        }
    ]
}

{
    "success": true,
    "errors": [],
    "results": [
        {
            "skuId": 15179,
            "quantity": 2,
            "isCustom": false
        }
    ]
}