json_schema: {
      "$schema": "http://json-schema.org/draft-04/schema#",
      "type": "object",
      "properties": {
          "latitude": {
              "type": "number"
          },
          "longitude": {
              "type": "number"
          },
          "withinDistanceOf": {
              "type": "number"
          },
          "facilityType": {
              "type": "string"
          }
      },
      "required": [
          "latitude",
          "longitude",
          "withinDistanceOf",
          "facilityType"
      ]
  }