commerce_signifyd-1.0.x-dev/modules/user_order_data/user_order_data.services.yml

services:
  user_order_data.create_case_subscriber:
    class: Drupal\user_order_data\EventSubscriber\SignifydCreateCaseSubscriber
    arguments: [ '@entity_type.manager', '@commerce_exchanger.calculate' ]
    tags:
      - { name: event_subscriber }