long timestamp = buf.dec_ndr_hyper();
        message.setTimestamp(timestamp);

        // Source node
        String sourceNode = decodeWideStringPointer(buf);
        message.setSourceNode(sourceNode);

        // Destination node
        String destinationNode = decodeWideStringPointer(buf);
        message.setDestinationNode(destinationNode);
    }

    /**
     * Decodes an IP change notification message.

     *
     * @param buf the NDR buffer
     * @return the decoded string (or null if NULL pointer)
     * @throws NdrException if decoding fails
     */
    private String decodeWideStringPointer(NdrBuffer buf) throws NdrException {
        int pointer = buf.dec_ndr_long();
        if (pointer == 0) {
            return null; // NULL pointer
        }

        int maxCount = buf.dec_ndr_long();