[
  {
    "id": 50001,
    "displacement": 40,
    "night_light": [
      0
    ]
  },
  {
    "id": 50002,
    "displacement": 40,
    "night_light": [
      0
    ]
  },
  {
    "id": 50003,
    "displacement": 40,
    "night_light": [
      0
    ]
  },
  {
    "id": 50004,
    "displacement": 40,
    "night_light": [
      0
    ]
  }
]