docs: public void getUserInfo(String username, final KickflipCallback cb) {
          if (!assertActiveUserAvailable(cb)) return;
          GenericData data = new GenericData();
          data.put("username", username);
  
          post(GET_USER_PUBLIC, new UrlEncodedContent(data), User.class, new KickflipCallback() {
              @Override
              public void onSuccess(final Response response) {
                  if (VERBOSE)
                      Log.i(TAG, "getUserInfo response: " + response);
                  postResponseToCallback(cb, response);
              }
  
              @Override
              public void onError(final KickflipException error) {
                  Log.w(TAG, "getUserInfo Error: " + error);
                  postExceptionToCallback(cb, error);
              }
          });
      }