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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:

def _deserialize_v2(self, deserialized):
        '''Deserialize a JSON macaroon v2.

        @param serialized the macaroon in JSON format v2.
        @return the macaroon object.
        '''
        from pymacaroons.macaroon import Macaroon, MACAROON_V2
        from pymacaroons.caveat import Caveat
        caveats = []
        for c in deserialized.get('c', []):
            caveat = Caveat(
                caveat_id=_read_json_binary_field(c, 'i'),
                verification_key_id=_read_json_binary_field(c, 'v'),
                location=_read_json_binary_field(c, 'l'),
                version=MACAROON_V2
            )
            caveats.append(caveat)
        return Macaroon(
            location=_read_json_binary_field(deserialized, 'l'),
            identifier=_read_json_binary_field(deserialized, 'i'),
            caveats=caveats,
            signature=binascii.hexlify(
                _read_json_binary_field(deserialized, 's')),
            version=MACAROON_V2
        )