/**
  * {@inheritdoc}
  */
 public function load(ObjectManager $manager)
 {
     $organization = $manager->getRepository('OroOrganizationBundle:Organization')->getFirst();
     foreach ($this->data as $data) {
         $entity = new Campaign();
         $entity->setOwner($organization);
         $data['subscribersList'] = $this->getReference($data['subscribersList']);
         $data['channel'] = $this->getReference($data['channel']);
         $this->setEntityPropertyValues($entity, $data, ['reference']);
         $this->setReference($data['reference'], $entity);
         $manager->persist($entity);
     }
     $manager->flush();
 }