[
  {
    "maintenance_group_id": "9a7c4b2e-1111-4f3a-b88a-111111111111",
    "role_id": "a9e7c8b2-4f1a-4e6d-9c3e-1b2a3c4d5e6f",
    "level": 1
  },
  {
    "maintenance_group_id": "9a7c4b2e-1111-4f3a-b88a-111111111111",
    "role_id": "b7d6e5c4-3a2b-4c1d-8e9f-0a1b2c3d4e5f",
    "level": 2
  },
  {
    "maintenance_group_id": "8b9f2d4a-2222-4c5b-b777-222222222222",
    "role_id": "b7d6e5c4-3a2b-4c1d-8e9f-0a1b2c3d4e5f",
    "level": 2
  },
  {
    "maintenance_group_id": "7d8e1f3a-3333-4a9c-b666-333333333333",
    "role_id": "a9e7c8b2-4f1a-4e6d-9c3e-1b2a3c4d5e6f",
    "level": 1
  },
  {
    "maintenance_group_id": "6e9f2c1b-4444-4d8b-b555-444444444444",
    "role_id": "a9e7c8b2-4f1a-4e6d-9c3e-1b2a3c4d5e6f",
    "level": 0
  }
]