source: binary-improvements/7dtd-server-fixes/src/JSON/JSONObject.cs@ 158

using System;
using System.Collections.Generic;
using System.Text;

namespace AllocsFixes.JSON
{
        public class JSONObject : JSONNode
        {
                private Dictionary<string, JSONNode> nodes = new Dictionary<string, JSONNode> ();

                public void Add (string name, JSONNode node)
                {
                        nodes.Add (name, node);
                }

                public override string ToString ()
                {
                        StringBuilder sb = new StringBuilder ("{");
                        foreach (KeyValuePair<string, JSONNode> kvp in nodes) {
                                sb.Append (String.Format ("\"{0}\":", kvp.Key));
                                sb.Append (kvp.Value.ToString ());
                                sb.Append (",");
                        }
                        if (sb.Length > 1)
                                sb.Remove (sb.Length - 1, 1);
                        sb.Append ("}");
                        return sb.ToString ();
                }

        }
}