Uploads a signature for the credit note

        :param signature_dict: the signature
        :type signature_dict: dict
        :param credit_note_it: the credit note id
        :return Response

def upload_credit_note_signature(self, credit_note_it, signature_dict):
        """
        Uploads a signature for the credit note

        :param signature_dict: the signature
        :type signature_dict: dict
        :param credit_note_it: the credit note id
        :return Response
        """
        return self._create_put_request(
            resource=CREDIT_NOTES,
            billomat_id=credit_note_it,
            send_data=signature_dict,
            command=UPLOAD_SIGNATURE
        )