using System;

using Newtonsoft.Json;

using System.Collections.Generic;

using Newtonsoft.Json.Converters;

​

​

public enum Rights

{

    SeeAll,

    AutoApprove

}

​

public class Role

{

    [JsonProperty(PropertyName = "rights")]

    public List<Rights> Rights {get; set; }

}

public class Program

{

    public static void Main()

    {

        var role = new Role

        {

            Rights = new List<Rights>{Rights.SeeAll}

        };

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

    }

}