-
  id: 1
  uid: 1
  issue_id: 1
  is_read: true
  is_assigned: true
  is_mentioned: false

-
  id: 2
  uid: 2
  issue_id: 1
  is_read: true
  is_assigned: false
  is_mentioned: false

-
  id: 3
  uid: 4
  issue_id: 1
  is_read: false
  is_assigned: false
  is_mentioned: false
