Adds a datasource user or updates an existing user.
Version number for document for optimistic concurrency control. If absent or 0 then no version checks are done.
The datasource for which the user is added
describes a user in the datasource
OK
Bad Request
Not Authorized
Conflict
{"version": 0,"datasource": "string","user": {"email": "string","userId": "string","name": "string","isActive": true}}