quite a bit, too much to summarize here

WindowsFormsApplication2/PlayingInfo.cs

@@ -0,0 +1,22 @@
+using Newtonsoft.Json.Linq;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace JellyfinRPC
+{
+    public class PlayingInfo
+    {
+        public string Title { get; set; }
+        public string Artist { get; set; }
+        public string AlbumCover { get; set; }
+        public string Season { get; set; }
+        public string Episode { get; set; }
+        public DateTime Progress { get; set; }
+        public DateTime Duration { get; set; }
+        public bool IsMusic { get; set; }
+        public JToken NowPlayingItem { get; set; }
+
+    }
+}