I want to provide access to a resource if the current user is the creator of resource. So I want to extract identity information. I have obtained *KeycloakSecurityContext *and *AuthorizationContext *from the request. KeycloakSecurityContext keycloakSecurityContext = (KeycloakSecurityContext) request.getAttribute(KeycloakSecurityContext.class.getName()); AuthorizationContext authzContext = keycloakSecurityContext.getAuthorizationContext(); *How can I obtain identity information like mentioned in EvaluationContext** ?*( https://www.keycloak.org/docs/4.3/authorization_services/#using-the-autho... )?