Error- Could not load file or assembly 'Newtonsoft.json' version 12.0.0.0 or one of it dependencies.

Summary

I am consuming rest api in my workpace add-ins and that api returns response in json format and using 'Newtonsoft.json' library to convert json attribute in my model

Content

Below are the code getting attribute value from api response using library

_apiResponse = _apiResponse.Replace("\n", "").Trim();
                    string visitorNode = JObject.Parse(_apiResponse)["XXXXX"].ToString();