[
  {
    "ItemID": 231,
    "ExpProvide": 100,
    "CoinCost": 150
  },
  {
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  },
  {
    "ItemID": 233,
    "ExpProvide": 1000,
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  },
  {
    "ItemID": 234,
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    "CoinCost": 3000
  }
]