code: func msToTime(ms string) (time.Time, error) {
  	msInt, err := strconv.ParseInt(ms, 10, 64)
  	if err != nil {
  		// todo: support-scheduler will be removed later issue_650a
  		t, err := time.Parse(TIMELAYOUT, ms)
  		if err == nil {
  			return t, nil
  		}
  		return time.Time{}, err
  	}
  
  	return time.Unix(0, msInt*int64(time.Millisecond)), nil
  }
docs: // Convert millisecond string to Time