$.ajax(                {                    url: '',                    'data': JSON.stringify({                                      }),                    'type': 'POST',                    'processData': false,                    'contentType': 'application/json', //typically 'application/x-www-form-urlencoded', but the service you are calling may expect 'text/json'... check with the service to see what they expect as content-type in the HTTP header.                    success: function (msg) {                                            }                }            );