[
  {
    "Id": 43020001,
    "Cost": 400,
    "BasicExp": 1000
  },
  {
    "Id": 43020002,
    "Cost": 1200,
    "BasicExp": 3000
  },
  {
    "Id": 43020003,
    "Cost": 3200,
    "BasicExp": 8000
  },
  {
    "Id": 43020004,
    "Cost": 8000,
    "BasicExp": 20000
  }
]