Get Logged In user FirstName and Last Name Properties Using REST API Sharepoint 2013

/****************Get FirstNaem LastName ****************/
function GetUserProperties(callback) {
    $.ajax({
        url: _spPageContextInfo.webAbsoluteUrl + "/_api/SP.UserProfiles.PeopleManager/GetMyProperties/UserProfileProperties",
        headers: {
            Accept: "application/json;odata=verbose"
        },
        async: false,
        success: function(data) {
            callback(data);
        },
        error: function(jQxhr, errorCode, errorThrown) {
            alert(errorThrown);
        }
    });
}