[
  {
    "category": "item1",
    "amount": -28
  },
  {
    "category": "item2",
    "amount": 55
  },
  {
    "category": "item3",
    "amount": 43
  },
  {
    "category": "item4",
    "amount": -91
  },
  {
    "category": "item5",
    "amount": 81
  },
  {
    "category": "item6",
    "amount": 53
  },
  {
    "category": "item7",
    "amount": -19
  },
  {
    "category": "item8",
    "amount": -87
  }
]
