[
  {
    "ParamGroupID": 3001,
    "PrepareTime": 3,
    "RewardLevel": "High"
  },
  {
    "ParamGroupID": 3001,
    "PrepareTime": 3,
    "RewardLevel": "Medium"
  },
  {
    "ParamGroupID": 3001,
    "PrepareTime": 3
  },
  {
    "ParamGroupID": 4001,
    "PrepareTime": 3,
    "RewardLevel": "High"
  },
  {
    "ParamGroupID": 4001,
    "PrepareTime": 3,
    "RewardLevel": "Medium"
  },
  {
    "ParamGroupID": 4001,
    "PrepareTime": 3
  },
  {
    "ParamGroupID": 5001,
    "PrepareTime": 3,
    "RewardLevel": "High"
  },
  {
    "ParamGroupID": 5001,
    "PrepareTime": 3,
    "RewardLevel": "Medium"
  },
  {
    "ParamGroupID": 5001,
    "PrepareTime": 3
  }
]