About: http://webisa.webdatacommons.org/329629110

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	If the message is a content acknowledge message from a player 212, then the message handler queues the content acknowledge message in step 213.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com