Minor change

src/main/java/it/inaf/oats/vospace/AsyncTransferService.java

@@ -38,7 +38,7 @@ public class AsyncTransferService {
             String requestId = job.getJobId();
 
             Map<String, Object> data = new HashMap<>();
-            data.put("id", requestId);
+            data.put("req_id", requestId);
             data.put("job", job);
 
             String message = MAPPER.writeValueAsString(data);