AJAX can't received data to controller MVC

I send data by ajax to mvc controller. I get to the correct method but without data. I tried to get List<string> but its null

js code:

function sendDataCreateMilestone(parameters) {
    $.ajax({
        url: "/QRCNew/create",
        type: "post",
        dataType: "json",
        data: JSON.stringify(parameters)
    });
}

server:

here i revived all the time null

public ActionResult Create (List<string> ids, string collection)
{
    do....
}