// https://dotnetfiddle.net/u8GKfI

​

using System;

using Newtonsoft.Json;

​

public class Program

{

    public enum StructType: byte {

        Unknown = 0,

        A = 1,

        B = 2,

        C = 3,

    }

​

    public struct StructBase {

        public StructType type;

    }

​

    public struct A {

        public StructType type = StructType.A;

        public string a;

        public int aNumber;

​

        public A(string a, int aNumber) {

            this.a = a;

            this.aNumber = aNumber;

        }

    }

    public struct B {

        public StructType type = StructType.B;

        public System.Collections.Generic.List<string> bees;

        public string queenBee;

​

        public B(System.Collections.Generic.List<string> bees, string queenBee) {

            this.bees = bees;

            this.queenBee = queenBee;

        }

    }

    public struct C {

        public StructType type = StructType.C;

        public string cAmigo;

        public int dinero;

​

        public C(string cAmigo, int dinero) {

            this.cAmigo = cAmigo;

            this.dinero = dinero;

        }

    }

​

    public static void Main()

    {

        var a = new A("a", 1);

        var b = new B(new System.Collections.Generic.List<string> { "b1", "b2" }, "BEE!");

        var c = new C("CeeeeAmigo", 100);

​

        var aJson = JsonConvert.SerializeObject(a);

        var bJson = JsonConvert.SerializeObject(b);

        var cJson = JsonConvert.SerializeObject(c);

​

        Console.WriteLine("aJson = {0}", aJson);

        Console.WriteLine("bJson = {0}", bJson);

        Console.WriteLine("cJson = {0}", cJson);

​

        var randomJsonNumber = Math.Floor(new Random().NextDouble() * 3);

        var randomJson = new string[] { aJson, bJson, cJson }[(int)randomJsonNumber];

​

        Console.WriteLine("randomJson = {0}", randomJson);

​

        StructBase baseStruct = JsonConvert.DeserializeObject<StructBase>(randomJson);

​

        switch (baseStruct.type) {

            case StructType.A:

                var aStruct = JsonConvert.DeserializeObject<A>(randomJson);

                Console.WriteLine("aStruct.a = {0}", aStruct.a);

                Console.WriteLine("aStruct.aNumber = {0}", aStruct.aNumber);

                break;

​

            case StructType.B:

                var bStruct = JsonConvert.DeserializeObject<B>(randomJson);

                Console.WriteLine("bStruct.bees = {0}", string.Join(", ", bStruct.bees));

                Console.WriteLine("bStruct.queenBee = {0}", bStruct.queenBee);

                break;

​

            case StructType.C:

                var cStruct = JsonConvert.DeserializeObject<C>(randomJson);

                Console.WriteLine("cStruct.cAmigo = {0}", cStruct.cAmigo);

                Console.WriteLine("cStruct.dinero = {0}", cStruct.dinero);

                break;

        }

    }

}