using System;

using Newtonsoft.Json;

public class Program

{

    public static void Main()

    {

        /*

        var tmp = new ObjectResponseWithRelationships<string, CreateContributionResponseRelationships>

        {

            Relationships = new CreateContributionResponseRelationships

            {

                Account = new Relationship

                {

                    Links = new Links

                    {

                        Related = "Hello world!"

                    }

                }

            }

        };

        Console.WriteLine(JsonConvert.SerializeObject(tmp));

        */

        var x = JsonConvert.DeserializeObject<ObjectResponseWithRelationships<CreateContributionResponseRelationships>>(source);

        Console.WriteLine(x.Data.Id);

        Console.WriteLine(x.Relationships is null);

    }

    internal sealed class ObjectResponseWithRelationships<TDataAttributes> : ObjectResponse<TDataAttributes>

    {

        public string Relationships { get; set; }

    }

    internal class ObjectResponse<TDataAttributes>

    {

        public Data<TDataAttributes> Data {get;set;}

    }

    public class Data<TAttributes>

    {

        public string      Type       { get; set; }

        public Guid        Id         { get; set; }

        public TAttributes Attributes { get; set; }

    }

    internal sealed class CreateContributionResponseRelationships

    {

        public Relationship Account { get; set; }

    }

    internal sealed class Relationship

    {

        public Links Links { get; set; }

    }

    internal sealed class Links

    {

        public string Related { get; set; }

    }

    private static string source = 

        @"{""data"":{""type"":""contributions"",""id"":""f5832c98-94c5-491b-b185-a68d0da876d6"",""attributes"":{""amount"":10.0,""currency-type"":""USD"",""amount-expected"":10.0,""contributor-email"":""emusk201@gmail.com"",""contributor-name"":""Elon Musk"",""created-at"":""2020-02-18T05:40:28Z"",""funds-transfer-details"":null,""funds-transfer-type"":""ach"",""message"":null,""private-memo"":null,""reference"":null,""signet-deposit-address"":null,""special-instructions"":null,""special-type"":null,""status"":""pending"",""payment-details"":null,""payment-type"":""ach"",""reference-number"":null,""transaction-number"":null},""links"":{""self"":""/v2/contributions/f5832c98-94c5-491b-b185-a68d0da876d6""},""relationships"":{""account"":{""links"":{""related"":""/v2/accounts/6cfd6b40-14f5-403c-b0d4-ab59acd85a61""}},""contact"":{""links"":{""related"":""/v2/contacts?funds-transfers.id=5794aba6-a640-4e1e-a3c9-b7f9c7741144&one""}},""currency"":{""links"":{""related"":""/v2/currencies/USD""}},""funds-transfer"":{""links"":{""related"":""/v2/funds-transfers/5794aba6-a640-4e1e-a3c9-b7f9c7741144""}},""funds-transfer-method"":{""links"":{""related"":""/v2/funds-transfer-methods?funds-transfer.id=5794aba6-a640-4e1e-a3c9-b7f9c7741144&one""}},""payment-method"":{""links"":{""related"":""/v2/payment-methods?funds-transfers.id=5794aba6-a640-4e1e-a3c9-b7f9c7741144&one""}}}},""included"":[]}";

}