json_schema: {
      "description": "Shampoo response specification",
      "properties": {
          "message": {
              "description": "Human readable status message.",
              "type": "string"
          },
          "request_id": {
              "description": "The request_id of the request this is a response to.",
              "minimum": 0,
              "type": "integer"
          },
          "response_data": {
              "description": "Response data from the called method",
              "type": "object"
          },
          "status": {
              "description": "Status code, using the same codes as HTTP.",
              "minimum": 100,
              "type": "integer"
          },
          "type": {
              "pattern": "response",
              "type": "string"
          }
      },
      "required": [
          "type",
          "status",
          "message",
          "response_data",
          "request_id"
      ],
      "type": "object"
  }