{
  "baseElevation": {
    "0": {
      "value": "0"
    },
    "4": {
      "value": "4"
    },
    "12": {
      "value": "12"
    },
    "40": {
      "value": "40"
    },
    "60": {
      "value": "60"
    }
  }
}