administrator:
  id: 1
  role_id: 1
  assignee_id: 1
  assignee_type: User
  
moderator:
  id: 2
  role_id: 2
  assignee_id: 2
  assignee_type: User
  
guest:
  id: 3
  role_id: 3
  assignee_id: 3
  assignee_type: User