json_schema: {
      "$schema": "http://json-schema.org/draft-04/schema#",
      "type": "object",
      "required": [
          "result"
      ],
      "properties": {
          "result": {
              "type": "object",
              "properties": {
                  "login": {
                      "type": "string"
                  },
                  "password": {
                      "type": "string"
                  }
              },
              "required": [
                  "password"
              ]
          }
      }
  }