<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:pgu="http://sys.smev.ru/xsd/pguapi" xmlns:pgu1="http://sys.smev.ru/xsd/pgu">
   <soapenv:Header/>
   <soapenv:Body>
      <pgu:eqFindBookableOfficesRequest>
         <!--Optional:-->
         <pgu:egServiceId>
            <!--Optional:-->
            <pgu1:serviceId>5000000010000008509</pgu1:serviceId>
         </pgu:egServiceId>
      </pgu:eqFindBookableOfficesRequest>
   </soapenv:Body>
</soapenv:Envelope>