How to use the mangum.protocols.websockets.ASGIWebSocketCycle function in mangum

item = connection_table.get_item(connection_id)
            if not item:  # pragma: no cover
                return make_response("Error", status_code=500)

            # Retrieve and deserialize the scope entry created in the connect event for
            # the current connection.
            scope = json.loads(item["scope"])

            # Ensure the scope definition complies with the ASGI spec.
            query_string = scope["query_string"]
            headers = scope["headers"]
            headers = [[k.encode(), v.encode()] for k, v in headers.items()]
            query_string = query_string.encode()
            scope.update({"headers": headers, "query_string": query_string})

            asgi_cycle = ASGIWebSocketCycle(
                scope,
                endpoint_url=endpoint_url,
                connection_id=connection_id,
                connection_table=connection_table,
            )
            asgi_cycle.app_queue.put_nowait({"type": "websocket.connect"})
            asgi_cycle.app_queue.put_nowait(
                {
                    "type": "websocket.receive",
                    "path": "/",
                    "bytes": None,
                    "text": event["body"],
                }
            )

            try: