Spawn a fake mob using ProtocolLib

MobSpawner.java

package com.comphenix.example;

import java.lang.reflect.InvocationTargetException;

import org.bukkit.ChatColor;
import org.bukkit.Location;
import org.bukkit.World;
import org.bukkit.command.Command;
import org.bukkit.command.CommandSender;
import org.bukkit.entity.Entity;
import org.bukkit.entity.EntityType;
import org.bukkit.entity.Player;
import org.bukkit.event.Listener;
import org.bukkit.plugin.java.JavaPlugin;

import com.comphenix.protocol.Packets;
import com.comphenix.protocol.ProtocolLibrary;
import com.comphenix.protocol.ProtocolManager;
import com.comphenix.protocol.events.PacketContainer;
import com.comphenix.protocol.wrappers.WrappedDataWatcher;
import com.comphenix.protocol.wrappers.WrappedWatchableObject;

public class MobSpawner extends JavaPlugin implements Listener {
    private ProtocolManager protocolManager;
    private WrappedDataWatcher ghastWatcher;
    
    public void onLoad() {
        protocolManager = ProtocolLibrary.getProtocolManager();
    }
    
    @Override
    public void onEnable() {
        ghastWatcher = getDefaultWatcher(getServer().getWorlds().get(0), EntityType.GHAST);
        
        for (WrappedWatchableObject object : ghastWatcher)
            System.out.println(object);
    }

    public void sendPacket(Player p) {
        PacketContainer newPacket = new PacketContainer(24);

        newPacket.getIntegers().
            write(0, 500).
            write(1, (int) EntityType.GHAST.getTypeId()).
            write(2, (int) (p.getLocation().getX() * 32)).
            write(3, (int) (p.getLocation().getY() * 32)).
            write(4, (int) (p.getLocation().getZ() * 32));
        
        newPacket.getDataWatcherModifier().
            write(0, ghastWatcher);
        
        try {
            ProtocolLibrary.getProtocolManager().sendServerPacket(p, newPacket);
        } catch (InvocationTargetException e) {
            e.printStackTrace();
        }
    }
    
    public WrappedDataWatcher getDefaultWatcher(World world, EntityType type) {
        Entity entity = world.spawnEntity(new Location(world, 0, 256, 0), type);
        WrappedDataWatcher watcher = WrappedDataWatcher.getEntityWatcher(entity).deepClone();
        
        entity.remove();
        return watcher;
    }
    
    @Override
    public boolean onCommand(CommandSender sender, Command command, String label, String[] args) {
        Player target = null;
        
        // Get the target argument
        if (args.length > 0) {
            target = getServer().getPlayerExact(args[0]);
        } else if (sender instanceof Player) {
            target = (Player) sender;
        } else {
            sender.sendMessage(ChatColor.RED + "This command requires at least one argument.");
            return true;
        }

        if (target != null) {
            sendPacket(target);
        } else {
            sender.sendMessage(ChatColor.RED + "Cannot find player " + args[0]);
        }
        
        return true;
    }
}

How can i make more mobs and use the playerinteractintityevent?

thank you a lot!
*mark