[
  {
    "BuffSlotID": 1,
    "UnlockChapterID": 1
  },
  {
    "BuffSlotID": 2,
    "UnlockChapterID": 1
  },
  {
    "BuffSlotID": 3,
    "UnlockChapterID": 2
  },
  {
    "BuffSlotID": 4,
    "UnlockChapterID": 3
  }
]