after OrderService.placeOrder(..., "globex", ...) returns, MDC.remove("tenant") has already run
next line logged outside that method has no tenant member:
{"@timestamp":"2026-10-15T02:48:17.703392502Z","log":{"level":"INFO","logger":"com.ankurm.structuredlogging.EcsStructuredLoggingTest"},"process":{"pid":8108,"thread":{"name":"main"}},"service":{"name":"structured-logging-demo","node":{}},"message":"no tenant in scope here","ecs":{"version":"8.11"},"corpname":"ankurm"}