def serialize(self, obj):
            data = cbor.dumps(obj)
            if self._batched:
                return struct.pack("!L", len(data)) + data
            else:
                return data
look at info for bundles (apps and frameworks)
dataset/ETHPy150Open crossbario/autobahn-python/autobahn/wamp/serializer.py/CBORObjectSerializer.serialize--crossover with--dataset/ETHPy150Open saucelabs/isign/tests/test_versus_apple.py/TestVersusApple.check_bundle