Нашла вот эту ссылку для подписи.http://www.change.org/ru/%D0%BF%D0%B5%D1%82%D0%B8%D1%86%D0%B8%D0%B8/%D0%BE%D1%82%D0%BC%D0%B5%D0%BD%D0%B0-%D0%BE%D0%BF%D0%B0%D1%81%D0%BD%D1%8B%D1%85-%D0%BC%D0%B5%D1%82%D0%BE%D0%B4%D0%BE%D0%B2-%D1%82%D0%B5%D1%81%D1%82%D0%B8%D1%80%D0%BE%D0%B2%D0%B0%D0%BD%D0%B8%D1%8F-%D0%BD%D0%B0-%D0%BD%D0%B0%D1%80%D0%BA%D0%BE%D1%82%D0%B8%D0%BA%D0%B8-%D0%B2-%D1%88%D0%BA%D0%BE%D0%BB%D0%B0%D1%85