string arr = "['one','two','three','four']";
List<string> arrlist = JsonConvert.DeserializeObject<List<string>>(arr);
List<user> arrlist = JsonConvert.DeserializeObject<List<user>>(arr);
string arr = "['one','two','three','four']";
List<string> arrlist = JsonConvert.DeserializeObject<List<string>>(arr);