json_schema: {
      "$schema": "http://json-schema.org/draft-04/schema#",
      "definitions": {},
      "properties": {
          "id": {
              "default": 1,
              "description": "An explanation about the purpose of this instance.",
              "title": "The id schema",
              "type": "integer"
          },
          "name": {
              "default": "A green door",
              "description": "An explanation about the purpose of this instance. Must have even number of characters",
              "title": "The name schema",
              "type": "string",
              "format": "evenlength"
          },
          "price": {
              "default": 12.5,
              "description": "An explanation about the purpose of this instance.",
              "title": "The price schema",
              "type": "number"
          }
      },
      "required": [
          "name",
          "id",
          "price"
      ],
      "type": "object"
  }