def METHOD_NAME(self, stream: BytesIO) -> GCCConferenceCreateResponsePDU:
    """
    Parse ConferenceCreateResponse data into a GCCPDU
    :param stream: byte stream containing the PDU data
    """
    nodeID = Uint16BE.unpack(stream.read(2)) + 1001
    tag = per.readInteger(stream)
    result = per.readEnumeration(stream)
    userDataCount = per.readNumberOfSet(stream)
    if userDataCount != 1:
        raise ParsingError("Expected user data count to be 1, got %d" % userDataCount)
    userDataType = per.readChoice(stream)
    if userDataType != 0xc0:
        raise ParsingError("Expected user data type to be 0xc0 (h221NonStandard), got %d" % userDataType)
    key = per.readOctetStream(stream, 4)
    if key != GCCParser.H221_SERVER_KEY:
        raise ParsingError("Expected user data key to be %s, got %s" % (GCCParser.H221_SERVER_KEY, key))
    payload = per.readOctetStream(stream)
    return GCCConferenceCreateResponsePDU(nodeID, tag, result, payload)