_:b2556544	<http://www.w3.org/2006/http#fieldName>	<http://www.w3.org/2006/http-header#last-modified> .
_:b2556563	<http://www.w3.org/2006/http#elementName>	"Tue, 23 Mar 2021 14:29:57 GMT" .
_:b2556544	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2006/http#MessageHeader> .
_:b2556563	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2006/http#HeaderElement> .
_:b2556544	<http://www.w3.org/2006/http#fieldValue>	_:b2556563 .