{'identifier': 'id',
  'label': 'title',
  'items':[{"id":1,"title":"Main Project 1","description":"Description of main project: Sales department","main":0},{"id":2,"title":"Main Project 2","description":"Description of main project 2","main":0},{"id":3,"title":"Main Project 3","description":"Description of Main project 3","main":0},{"id":4,"title":"Sub Project 1_1","description":"Description of sub project: Sales department","main":1},{"id":5,"title":"Sub Project 1_2","description":"Description of sub project 2","main":1},{"id":6,"title":"sub Project 1_3","description":"Description of sub project 3","main":1},{"id":7,"title":"Sub Project 2_1","description":"Description of sub project 1","main":2},{"id":8,"title":"Sub Project 2_2","description":"Description of main project 2","main":2},
  {"id":9,"title":"Sub Project 3_1","description":"Description of Main project 3_1","main":3},
  {"id":10,"title":"Sub Project 3_2","description":"Description of Main project 3_2","main":3},
  {"id":11,"title":"Sub Project 3_2_1","description":"Description of Main project 3_2","main":10}]
}