just a snippet for discussion purposes

attaching-Doctrine-entity-listener.php

<?php 

namespace MyAwesomeModule;

use Zend\Mvc\MvcEvent;
use Doctrine\ORM\Events;


class Module
{
  
   public function onBootstrap(MvcEvent $e) 
   {
      $this->attachEntityListeners($e);     
     // a little other stuff    
     
   }
   
    public function attachEntityListeners(MvcEvent $e) {
        
        $application = $e->getApplication();
        $sm = $application->getServiceManager();
        
        $entityManager = $sm->get('entity-manager');
      
        $listener = $sm->get('My\Entity\Listener\SomeEntityListener');
        // this thing listens to only events happening in the entity with the annotation
        //  @ORM\EntityListeners({"My\Entity\Listener\SomeEntityListener"}) 
        $entityManager->getConfiguration()->getEntityListenerResolver()->register($listener);
      
        // this UpdateListener listens to the specified events in _all_ entities
        $entityManager->getEventManager()
                ->addEventListener([Events::postUpdate,Events::postRemove,Events::postPersist],
                $sm->get('My\Entity\Listener\UpdateListener'));
    }
}