using System;

using Newtonsoft.Json;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

        var json = @"

        {

          ""status"": ""message processed"",

          ""credentials"": {

            ""platform"": ""database_platform"",

            ""gatewayID"": ""43534-534534g-23423423-1232"",

            ""datasourceID"": ""addr3024023-3e423423d-32423423-dfasd"",

            ""modulus"": ""thisisssomemodulus34242342342342342346453454125678765978"",

            ""exponent"": ""fakeexponent"",

            ""time"": ""2021-01-05 15:48:52.417653""

          }

        }";

        var myDeserializedClass = JsonConvert.DeserializeObject<Root>(json);

        Console.WriteLine(myDeserializedClass.Status);

        Console.WriteLine(myDeserializedClass.Credentials.Platform);

    }

    public class Credentials    {

        public string Platform { get; set; } 

        public string GatewayID { get; set; } 

        public string DatasourceID { get; set; } 

        public string Modulus { get; set; } 

        public string Exponent { get; set; } 

        public string Time { get; set; } 

    }

​

    public class Root    {

        public string Status { get; set; } 

        public Credentials Credentials { get; set; } 

    }

}