var client = new RestClient("localhost:5000/api/login");
var request = new RestRequest(Method.POST);
    request.AddJsonBody("User Model that I created");
    request.AddHeader("Accept", "application/json");
    request.RequestFormat = DataFormat.Json;
IRestResponse response = client.Execute(request);
//Store the response token in session

//Subsequent calls
var client = new RestClient("localhost:5000/api/values");
var request = new RestRequest(Method.GET);
request.AddHeader("authorization", "Bearer TOKEN_FROM_SESSION_STORAGE");
request.AddHeader("content-type", "application/json");
IRestResponse response = client.Execute(request);