C# validate the string value whether it is valid json

using Newtonsoft.Json;
using Newtonsoft.Json.Linq;

 static void Main(string[] args)
        {
            TestJsonValid();
            Console.ReadLine();
        }

        static void TestJsonValid()
        {
            var obj = new
            {
                Id = 1,
                Name = "Fred",
                Age = 33
            };
            string jsonValue = JsonConvert.SerializeObject(obj, Formatting.Indented);
            bool result = ValidJson(jsonValue);
            Console.WriteLine(result);
        }

        static bool ValidJson(string msgValue)
        {
            try
            {
                JToken token = JObject.Parse(msgValue);
                return true;
            }
            catch(Exception ex)
            {
                return false;
            }
        }