<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.tanga.com/users/new?return_path=%2Fdeals%2F6c26664e7fc3%2Fpeace-and-love-by-budi-satria-kwan%3Finternal_campaign%3Dchannel>