@Override
  public String toString() {
    return String.format("User{id=%s, name=%s, tracklist=%s}", id, name, tracklist);
  }
POJO of https://developers.deezer.com/api/user
extensions/data-transfer/portability-data-transfer-deezer/src/main/java/org/datatransferproject/transfer/deezer/model/User.java