transfer mvc controller data Json format in Web Api method

Question

public async Task<string> UploadImage(HttpPostedFileBase objFile, string user_id)

{

Session["imgfile"] = objFile;

Session["user_id"] = user_id;

//string anykey = string.Empty;

string responseString = string.Empty;

string name="";

string type = "";

if (objFile != null)

{

JObject payLoad = new JObject(

new JProperty("anykey",

new JObject(

new JProperty("KidYhE", 3288),

new JProperty("type", "QUERY")

),

new JProperty(objFile.FileName)

//new JProperty("password", "User Password"),

//new JProperty("token", "xxxxxx")

)

);

using (HttpClient client = new HttpClient())

{

var httpContent = new StringContent(payLoad.ToString(), Encoding.UTF8, "multipart/form-type");

using (HttpResponseMessage response = await client.PostAsync("http://192.168.0.187:8081/ImageUpload/Upload", httpContent))

{

response.EnsureSuccessStatusCode();

string responseBody = await response.Content.ReadAsStringAsync();

//return JObject.Parse(responseBody);

}

}

}