messageWantlist{messageEntry{optionalstringblock=1;// the block keyoptionalint32priority=2;// the priority (normalized). default to 1optionalboolcancel=3;// whether this revokes an entry}repeatedEntryentries=1;// a list of wantlist entriesoptionalboolfull=2;// whether this is the full wantlist. default to false}optionalWantlistwantlist=1;repeatedbytesblocks=2;