[keycloak-user] It's possible to check if an user have an active/valid session through REST API?

[max.catarino at rps.com.br]

It's possible to check if an user have an active/valid session through
REST API? 

I saw the UserSessionRepresentation returned by
Keycloak.realm("realmId").users().get("userId").getUserSessions(). But
UserSessionRepresentation do not have the information I want. 

Best regards 

Maximiliano