service serializer.fb_instant_articles.fbia.content_entity in Facebook Instant Articles 3.x

class: Drupal\fb_instant_articles\Normalizer\InstantArticleContentEntityNormalizer
arguments:
  - '@config.factory'
  - '@entity_field.manager'
  - '@entity_type.manager'
  - '@info_parser'
  - '@module_handler'
  - '@language_manager'
tags:
  - { name: normalizer, priority: 10 }