[
  {
    "ChallengeGroupID": 1001,
    "ChallengeStageList": [
      1001,
      1002,
      1003,
      1004
    ]
  },
  {
    "ChallengeGroupID": 1002,
    "ChallengeStageList": [
      1005,
      1006,
      1007,
      1008
    ]
  },
  {
    "ChallengeGroupID": 1003,
    "ChallengeStageList": [
      1009,
      1010,
      1011,
      1012
    ]
  },
  {
    "ChallengeGroupID": 1004,
    "ChallengeStageList": [
      1013,
      1014,
      1015,
      1016
    ]
  }
]