json_schema: {
      "$schema": "http://json-schema.org/draft-04/schema#",
      "type": "array",
      "items": {
          "type": "object",
          "properties": {
              "key": {
                  "type": "string",
                  "maxLength": 1024
              },
              "type": {
                  "type": "string",
                  "maxLength": 1024
              }
          },
          "additionalProperties": false
      },
      "maxItems": 100
  }