subscription ticketUpdates($ticketId: ID!, $initial: Boolean = false) {
  ticketUpdates(ticketId: $ticketId, initial: $initial) {
    ticket {
      ...ticketAttributes
      createArticleType {
        id
        name
      }
      mentions(first: 20) {
        totalCount
        edges {
          node {
            ...ticketMention
          }
          cursor
        }
      }
      checklist {
        id
        completed
        incomplete
        total
        complete
      }
      referencingChecklistTickets {
        ...referencingTicket
      }
    }
  }
}