in src/main/java/com/epam/digital/data/platform/integration/idm/service/KeycloakIdmService.java [139:145]
public void createUserRepresentation(UserRepresentation user, List<RoleRepresentation> roles) {
var realmResource = client.getRealmResource();
client.createUserRepresentation(realmResource, user);
var roleScopeResource = getRoleScopeResource(realmResource, user.getUsername());
client.addRoles(roleScopeResource, roles);
}