static TelegramMsg telegramMsgFromLogEntry(S s) {
  Map map = safeUnstructureMap(s);
  S type = cast map.get('type);
  S text = cast map.get('text);
  long originalDate = toInt(map.get('originalDate))*1000L;
  long date = parseLocalDateWithMilliseconds_orKeepLong(map.get('date));
  ret nu(TelegramMsg, +date, +originalDate, +text,
    firstName := map.get('userFirstName), 
    lastName := map.get('userLastName), 
    userID := toInt(map.get('userID)),
    sent := eq(type, 'sent),
    globalID := map.get('globalID),
    chatID := toLong(map.get('chatID)));
}

Began life as a copy of #1017622