json_schema: {
      "$schema": "http://json-schema.org/draft-04/schema#",
      "type": "object",
      "properties": {
          "order": {
              "type": "object",
              "properties": {
                  "orderId": {
                      "type": "integer"
                  },
                  "customerName": {
                      "type": "string"
                  },
                  "drinkType": {
                      "type": "string"
                  },
                  "size": {
                      "type": "string"
                  },
                  "date": {
                      "type": "string"
                  },
                  "time": {
                      "type": "string"
                  },
                  "milk": {
                      "type": "string"
                  },
                  "espressoConCard": {
                      "type": "string"
                  },
                  "totalPrice": {
                      "type": "number"
                  }
              },
              "additionalProperties": false,
              "required": [
                  "orderId",
                  "customerName",
                  "drinkType",
                  "size",
                  "date",
                  "time",
                  "milk",
                  "espressoConCard",
                  "totalPrice"
              ]
          }
      },
      "additionalProperties": false,
      "required": [
          "order"
      ]
  }