_:nf0d9e131c5544559b2d0616e33216a7bxb4
<http://schema.org/valueRequired>
"true"^^<http://www.w3.org/2001/XMLSchema#boolean>
<https://moscowchanges.ru/mymoscow/v-2018-godu-u-vseh-moskvichej-poyavyatsya-elektronnye-medkarty/>