Add JsonConstructor

MediaBrowser.Model/Session/GeneralCommand.cs

@@ -2,14 +2,21 @@
 
 using System;
 using System.Collections.Generic;
+using System.Text.Json.Serialization;
 
-namespace MediaBrowser.Model.Session
+namespace MediaBrowser.Model.Session;
+
+public class GeneralCommand
 {
-    public class GeneralCommand
-    {
     public GeneralCommand()
+        : this(new Dictionary<string, string>())
+    {
+    }
+
+    [JsonConstructor]
+    public GeneralCommand(Dictionary<string, string> arguments)
     {
-            Arguments = new Dictionary<string, string>();
+        Arguments = arguments;
     }
 
     public GeneralCommandType Name { get; set; }
@@ -17,5 +24,4 @@ namespace MediaBrowser.Model.Session
     public Guid ControllingUserId { get; set; }
 
     public Dictionary<string, string> Arguments { get; }
-    }
 }