<script type="text/javascript">

    $(document).ready(function () {

        $("#btnSubmit").click(function () {
            var data = "{id:'3',item:[{assetType:'Swatch',color:'#F3EFE4',id:'3',itemName:'Sunday Times',xCoord:'658',yCoord:'523'}],name:'Pinboard Test One'}";


            $.ajax({ url: "http://localhost:11233/LowesAllenRothPinboard.svc/savePinboard",
                type: "POST",
                contentType: "application/json",
                data: { "pinboarddat": data },
                dataType: "json",
                success: function (result) {
                    alert(result.d);

                },
                error: function (xhr, status) {
                    alert("An error occurred: " + status);
                }
            });
        });
    });
</script>