Simple message mechanism of unity

using System;
using System.Collections.Generic;

namespace WX
{
       
    public class EasyMsg
    {
    
        static Dictionary<UnityEngine.Object, Dictionary<string, Action<object>>> mRegisteredObjects = new Dictionary<UnityEngine.Object, Dictionary<string, Action<object>>>();


        public static void AddEvent(UnityEngine.Object obj, string msgName, Action<object> onMsgReceived, int limitCount = -1)
        {
    
            
            if (!mRegisteredObjects.ContainsKey(obj))
            {
    
                Dictionary<string, Action<object>> dict = new Dictionary<string, Action<object>>();
                dict.Add(msgName, _ => {
     });
                dict[msgName] += onMsgReceived;
                mRegisteredObjects.Add(obj, dict);
            }
            else
            {
    
                if (mRegisteredObjects[obj].ContainsKey(msgName))
                {
    
                    mRegisteredObjects[obj][msgName] += onMsgReceived;
                }
                else
                {
    
                    mRegisteredObjects[obj].Add(msgName, _ => {
     });
                    mRegisteredObjects[obj][msgName] += onMsgReceived;
                }
            }

        }

        public static void RemoveEvent(UnityEngine.Object obj, string eventkey = "", Action<object> onMsgReceived = null)
        {
    
            if (onMsgReceived != null)
            {
    
                if (mRegisteredObjects.ContainsKey(obj))
                {
    
                    if (mRegisteredObjects[obj].ContainsKey(eventkey.ToString()))
                    {
    
                        mRegisteredObjects[obj][eventkey.ToString()] -= onMsgReceived;
                    }                    
                }                

            }
            else if (eventkey != "")
            {
    
                if (mRegisteredObjects.ContainsKey(obj))
                {
    
                    if (mRegisteredObjects[obj].ContainsKey(eventkey.ToString()))
                    {
    
                        mRegisteredObjects[obj].Remove(eventkey.ToString());
                    }                   
                }               
            }
            else
            {
    
                if (mRegisteredObjects.ContainsKey(obj))
                {
    
                    mRegisteredObjects[obj].Remove(eventkey.ToString());
                }               
            }           
        }


        public static void Execute(string msgName, object data = null)
        {
               

            foreach (var item in mRegisteredObjects)
            {
    
                foreach (var obj in item.Value)
                {
    
                    if (obj.Key == msgName)
                    {
    
                        if (obj.Value != null)
                        {
    
                            obj.Value(data);
                        }
                    }
                }
            }
        }
    }


}