json_schema: {
    "$schema": "http://json-schema.org/draft-04/schema#",
    "type": "object",
    "additionalProperties": false,
    "properties": {
      "name": {
        "type": "string",
        "minLength": 1
      },
      "continent_dims": {
        "type": "array",
        "minItems": 2,
        "_uniqueItems": false,
        "additionalItems": false,
        "items": {
        },
        "maxItems": 2
      },
      "min_zoom": {
        "type": "integer",
        "minimum": 0
      },
      "max_zoom": {
        "type": "integer",
        "minimum": 0
      },
      "floors": {
        "type": "array",
        "minItems": 1,
        "_uniqueItems": false,
        "additionalItems": true,
        "items": {
          "type": "integer"
        }
      },
      "id": {
        "type": "integer"
      }
    },
    "required": [
      "name",
      "continent_dims",
      "min_zoom",
      "max_zoom",
      "floors",
      "id"
    ]
  }
  