diff --git a/cms-plugin-framework/README.md b/cms-plugin-framework/README.md
index a43e113..7b7356d 100644
--- a/cms-plugin-framework/README.md
+++ b/cms-plugin-framework/README.md
@@ -6,6 +6,9 @@ Basic and abstract implementations are provided in different module default-lc-m
 
 Basic providers (e.g. WSProvider, ISProvider) used both in test and by the service are implemented here for simplicity.
 
+Morover, this module provides an `EventManager` to notify the events {`PROJECT_CREATED`, `PROJECT_UPDATED`, `PROJECT_DELETED` `LIFECYCLE_STEP_PERFORMED`} 
+to the plugins that subscribe to them. 
+
 ## Built with
 * [gCube SDI] (https://gcube.wiki.gcube-system.org/gcube/) - The gCube SDI
 * [gCube SmartGears] (https://gcube.wiki.gcube-system.org/gcube/SmartGears) - The gCube SmartGears framework 
diff --git a/cms-plugin-framework/src/main/java/org/gcube/application/cms/serialization/Serialization.java b/cms-plugin-framework/src/main/java/org/gcube/application/cms/serialization/Serialization.java
index f3fa9de..2aff895 100644
--- a/cms-plugin-framework/src/main/java/org/gcube/application/cms/serialization/Serialization.java
+++ b/cms-plugin-framework/src/main/java/org/gcube/application/cms/serialization/Serialization.java
@@ -1,22 +1,30 @@
 package org.gcube.application.cms.serialization;
 
-import com.fasterxml.jackson.core.JsonGenerator;
-import com.fasterxml.jackson.core.JsonParser;
-import com.fasterxml.jackson.core.JsonProcessingException;
-import com.fasterxml.jackson.databind.*;
-import com.fasterxml.jackson.databind.module.SimpleModule;
-import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
-import com.vdurmont.semver4j.Semver;
-import lombok.extern.slf4j.Slf4j;
+import java.io.IOException;
+import java.time.format.DateTimeFormatter;
+import java.util.Iterator;
+
 import org.bson.Document;
 import org.bson.types.ObjectId;
 import org.gcube.application.cms.plugins.model.ComparableVersion;
 import org.gcube.application.geoportal.common.model.document.Project;
 import org.gcube.application.geoportal.common.model.rest.QueryRequest;
 
-import java.io.IOException;
-import java.time.format.DateTimeFormatter;
-import java.util.Iterator;
+import com.fasterxml.jackson.core.JsonGenerator;
+import com.fasterxml.jackson.core.JsonParser;
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.DeserializationContext;
+import com.fasterxml.jackson.databind.DeserializationFeature;
+import com.fasterxml.jackson.databind.JsonDeserializer;
+import com.fasterxml.jackson.databind.JsonSerializer;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.SerializationFeature;
+import com.fasterxml.jackson.databind.SerializerProvider;
+import com.fasterxml.jackson.databind.module.SimpleModule;
+import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
+import com.vdurmont.semver4j.Semver;
+
+import lombok.extern.slf4j.Slf4j;
 
 @Slf4j
 public class Serialization {