[
  {
    "lvkey": 1,
    "lvcondition": 10,
    "reward": {
      "a": "attr",
      "t": "diamond",
      "n": 1000
    }
  },
  {
    "lvkey": 2,
    "lvcondition": 15,
    "reward": {
      "a": "item",
      "t": "10000001",
      "n": 10
    }
  },
  {
    "lvkey": 3,
    "lvcondition": 20,
    "reward": {
      "a": "attr",
      "t": "diamond",
      "n": 1000
    }
  },
  {
    "lvkey": 4,
    "lvcondition": 30,
    "reward": {
      "a": "item",
      "t": "10000001",
      "n": 10
    }
  },
  {
    "lvkey": 5,
    "lvcondition": 40,
    "reward": {
      "a": "item",
      "t": "10000001",
      "n": 20
    }
  }
]