diff --git a/CHANGELOG.md b/CHANGELOG.md
index 048dc31..344f7a9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,10 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
 
 # Changelog for org.gcube.application.geoportal-client
 
+## [v1.0.4-SNAPSHOT] - 2020-11-11
+Serialization utils
+ 
+
 ## [v1.0.3] - 2020-11-11
 Stateful Concessioni Manager client over mongo 
 
diff --git a/pom.xml b/pom.xml
index ec1c689..5ad090e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.gcube.application</groupId>
 	<artifactId>geoportal-client</artifactId>
-	<version>1.0.3</version>
+	<version>1.0.4-SNAPSHOT</version>
 	<name>Geoportal Client</name>
 
 
diff --git a/src/main/java/org/gcube/application/geoportal/client/utils/Serialization.java b/src/main/java/org/gcube/application/geoportal/client/utils/Serialization.java
index 93426de..7a72703 100644
--- a/src/main/java/org/gcube/application/geoportal/client/utils/Serialization.java
+++ b/src/main/java/org/gcube/application/geoportal/client/utils/Serialization.java
@@ -24,4 +24,8 @@ public static final DateTimeFormatter FULL_FORMATTER=DateTimeFormatter.ofPattern
 			return mapper.readerFor(clazz).readValue(jsonString);
 		}
 		
+		
+		public static String write(Object obj) throws JsonProcessingException, IOException {
+			return mapper.writeValueAsString(obj);
+		}
 }
diff --git a/src/test/java/org/gcube/application/geoportal/common/model/StatefulClientTests.java b/src/test/java/org/gcube/application/geoportal/common/model/StatefulClientTests.java
index a97ad28..cba35b5 100644
--- a/src/test/java/org/gcube/application/geoportal/common/model/StatefulClientTests.java
+++ b/src/test/java/org/gcube/application/geoportal/common/model/StatefulClientTests.java
@@ -8,6 +8,7 @@ import java.io.FileInputStream;
 import java.io.FileNotFoundException;
 
 import org.gcube.application.geoportal.client.legacy.ConcessioniManagerI;
+import org.gcube.application.geoportal.client.utils.Serialization;
 import org.gcube.application.geoportal.common.model.legacy.Concessione;
 import org.gcube.application.geoportal.common.model.legacy.InputStreamDescriptor;
 import org.gcube.application.geoportal.common.model.legacy.LayerConcessione;
@@ -80,6 +81,9 @@ public class StatefulClientTests extends BasicVreTests{
 			assertNotNull(l.getWmsLink());
 		assertNotNull(published.getCentroidLat());
 		assertNotNull(published.getCentroidLong());
+		
+		System.out.println(Serialization.write(published));
+		System.out.println(Serialization.write(published.getReport()));
 	}
 	
 	@Test