def METHOD_NAME(self, table, model, event_id, webhook):
    """
    Constructs a test payload for a webhook call.
    :param table: The table with changes.
    :param model: The table's model.
    :param event_id: The id of the event.
    :param webhook: The webhook object related to the call.
    :return: A JSON serializable dict with the test payload.
    """
    row = model(id=0, order=0)
    payload = self.get_payload(
        event_id=event_id,
        webhook=webhook,
        model=model,
        table=table,
        row=row,
        before_return=None,
    )
    return payload