the PEP's entry name
Optionalreport: any
what the PEP reports; an absent member keeps the value
{ ok: true, name, current } with the current sync token, or
{ ok: false, why } when there is no directory, no such PEP or the
directory refuses the entry
Records a PEP's heartbeat: last seen, its sync token and its cumulative counters, which are set rather than added to.