1.3.1 : $ /opt/jboss/keycloak/bin/standalone.sh -Dkeycloak.migration.action=export -Dkeycloak.migration.provider=singleFile -Dkeycloak.migration.file=kc_1.3.1.json
1.7.0 : $ /opt/jboss/keycloak/bin/standalone.sh -Dkeycloak.import=kc_1.3.1.json
Will this work?
Thanks!