Improve the JSON output of the log entries

src/Core/Logger/Type/AbstractLogger.php

@@ -129,7 +129,7 @@ abstract class AbstractLogger implements LoggerInterface
 			}
 		}
 
-		return @json_encode($output);
+		return @json_encode($output, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE);
 	}
 
 	/**