code: public void mailingList_subscribe_POST(String email, String mailingList) throws IOException {
  		String qPath = "/me/mailingList/subscribe";
  		StringBuilder sb = path(qPath);
  		HashMap<String, Object>o = new HashMap<String, Object>();
  		addBody(o, "email", email);
  		addBody(o, "mailingList", mailingList);
  		exec(qPath, "POST", sb.toString(), o);
  	}
docs: Subscribe an email to a restricted mailing list
  
  REST: POST /me/mailingList/subscribe
  @param email [required] Email you want to subscribe to
  @param mailingList [required] Mailing list