[standalone@localhost:9990 /]  /subsystem=messaging-activemq/server=default:read-attribute(name=journal-node-manager-store-table)
{
    "outcome" => "success",
    "result" => "NODE_MANAGER_STORE_NODE_1",
    "response-headers" => {"process-state" => "reload-required"}
}
...restart server here
[standalone@localhost:9990 /]  /subsystem=messaging-activemq/server=default:read-attribute(name=journal-node-manager-store-table)
{
    "outcome" => "success",
    "result" => "NODE_MANAGER_STORE"
}