the account that synced, as an auth0 id
the kind of event, always a sync completion here
Optionaleventthe notification family, always "SyncEventNotification" so far
Optionaleventthe format version, always "1" so far
Optionalorgthe organization of a managed account, otherwise empty
the device that synced
Tablets report their serial, api clients the id they registered with, so
compare it against deviceId to spot your
own syncs.
Optionaluserthe same value as auth0UserID in every event we've seen
what a sync notification says happened