'Access the new_signing_keys
:returns: twilio.rest.api.v2010.account.new_signing_key.NewSigningKeyList
:rtype: twilio.rest.api.v2010.account.new_signing_key.NewSigningKeyList'

@property
def new_signing_keys(self):

    if (self._new_signing_keys is None):
        self._new_signing_keys = NewSigningKeyList(self._version, account_sid=self._solution['sid'])
    return self._new_signing_keys
