mrn <- max(id, user.info["most_recent_notification"] || 0),
updated_info <- Map.put(info, "most_recent_notification", mrn),
changeset <- User.info_changeset(user, %{info: updated_info}),
mrn <- max(id, user.info["most_recent_notification"] || 0),
updated_info <- Map.put(info, "most_recent_notification", mrn),
changeset <- User.info_changeset(user, %{info: updated_info}),