Member ID.
App ID.
When developing websites, if you set activity counter data using elevation, the action is assigned to the generic Wix code backend app: 151e476a-715e-ec33-db9a-a7ff4d51f70a.
Counters for this member.
Revision number, which increments by 1 each time the counter is updated. To prevent conflicting changes, the existing revision must be used when updating a counter.