json_schema: {
      "$schema": "http://json-schema.org/draft-04/schema#",
      "description": "Fibaro Home Center Event JSON Schema",
      "name": "event",
      "type": "object",
      "properties": {
          "id": {
              "description": "Event ID",
              "type": "integer"
          },
          "type": {
              "description": "Event Type",
              "enum": [
                  "DEVICE_EVENT"
              ]
          },
          "timestamp": {
              "description": "Event timestamp epoch",
              "type": "integer"
          },
          "deviceID": {
              "description": "Device ID",
              "type": "integer"
          },
          "deviceType": {
              "description": "Device Type",
              "type": "string",
              "maxLength": 20
          },
          "propertyName": {
              "description": "Updated property name",
              "type": "string",
              "maxLength": 20
          },
          "oldValue": {
              "description": "Old value",
              "type": "number"
          },
          "newValue": {
              "description": "New value",
              "type": "number"
          }
      },
      "additionalProperties": false
  }