def fulfill(self, agreement_id, document_id, grantee_address, account):
        """
        Fulfill the access secret store condition.

        :param agreement_id: id of the agreement, hex str
        :param document_id: refers to the DID in which secret store will issue the decryption
        keys, DID
        :param grantee_address: is the address of the granted user, str
        :param account: Account instance
        :return: true if the condition was successfully fulfilled, bool
        """
        return self._fulfill(
            agreement_id,
            document_id,
            grantee_address,
            transact={'from': account.address,
                      'passphrase': account.password}
        )