defaultLogger.info({ accessToken: "1234567890123456789012345678901234567890", nested: { accessToken: "1234567890123456789012345678901234567890", }, }); > {"@timestamp":"2022-06-13T22:16:07.495Z","@version":1,"application":"express-boilerplate","message":"{\"accessToken\":\"******567890\",\"nested\":{\"accessToken\":\"******567890\"}}","severity":"info","type":"stdin"}