- id: 1
  task_id: 1
  other_task_id: 29
  relation_kind: 'subtask'
  created_by_id: 1
  created: 0
- id: 2
  task_id: 29
  other_task_id: 1
  relation_kind: 'parenttask'
  created_by_id: 1
  created: 0
