diff --git a/application/src/main/java/org/thingsboard/server/actors/ruleChain/DefaultTbContext.java b/application/src/main/java/org/thingsboard/server/actors/ruleChain/DefaultTbContext.java
index 9130b51fd6..8c2c4a6e5e 100644
--- a/application/src/main/java/org/thingsboard/server/actors/ruleChain/DefaultTbContext.java
+++ b/application/src/main/java/org/thingsboard/server/actors/ruleChain/DefaultTbContext.java
@@ -53,8 +53,6 @@ import org.thingsboard.server.common.data.id.RuleChainId;
 import org.thingsboard.server.common.data.id.RuleNodeId;
 import org.thingsboard.server.common.data.id.TenantId;
 import org.thingsboard.server.common.data.kv.AttributeKvEntry;
-import org.thingsboard.server.common.data.kv.DataType;
-import org.thingsboard.server.common.data.kv.KvEntry;
 import org.thingsboard.server.common.data.page.PageData;
 import org.thingsboard.server.common.data.page.PageLink;
 import org.thingsboard.server.common.data.rule.RuleNode;
@@ -370,7 +368,7 @@ class DefaultTbContext implements TbContext {
     public TbMsg attributesUpdatedActionMsg(EntityId originator, RuleNodeId ruleNodeId, String scope, List<AttributeKvEntry> attributes) {
         ObjectNode entityNode = JacksonUtil.newObjectNode();
         if (attributes != null) {
-            attributes.forEach(attributeKvEntry -> addKvEntry(entityNode, attributeKvEntry));
+            attributes.forEach(attributeKvEntry -> JacksonUtil.addKvEntry(entityNode, attributeKvEntry));
         }
         return attributesActionMsg(originator, ruleNodeId, scope, DataConstants.ATTRIBUTES_UPDATED, JacksonUtil.toString(entityNode));
     }
@@ -402,22 +400,6 @@ class DefaultTbContext implements TbContext {
         return entityActionMsg(originator, tbMsgMetaData, msgData, action, queueName, ruleChainId);
     }
 
-    private void addKvEntry(ObjectNode entityNode, KvEntry kvEntry) {
-        if (kvEntry.getDataType() == DataType.BOOLEAN) {
-            kvEntry.getBooleanValue().ifPresent(value -> entityNode.put(kvEntry.getKey(), value));
-        } else if (kvEntry.getDataType() == DataType.DOUBLE) {
-            kvEntry.getDoubleValue().ifPresent(value -> entityNode.put(kvEntry.getKey(), value));
-        } else if (kvEntry.getDataType() == DataType.LONG) {
-            kvEntry.getLongValue().ifPresent(value -> entityNode.put(kvEntry.getKey(), value));
-        } else if (kvEntry.getDataType() == DataType.JSON) {
-            if (kvEntry.getJsonValue().isPresent()) {
-                entityNode.set(kvEntry.getKey(), JacksonUtil.valueToTree(kvEntry.getJsonValue().get()));
-            }
-        } else {
-            entityNode.put(kvEntry.getKey(), kvEntry.getValueAsString());
-        }
-    }
-
     @Override
     public void onEdgeEventUpdate(TenantId tenantId, EdgeId edgeId) {
         mainCtx.getClusterService().onEdgeEventUpdate(tenantId, edgeId);
diff --git a/application/src/main/java/org/thingsboard/server/service/action/EntityActionService.java b/application/src/main/java/org/thingsboard/server/service/action/EntityActionService.java
index 79968187b6..e9f36768a1 100644
--- a/application/src/main/java/org/thingsboard/server/service/action/EntityActionService.java
+++ b/application/src/main/java/org/thingsboard/server/service/action/EntityActionService.java
@@ -21,6 +21,7 @@ import com.fasterxml.jackson.databind.node.ObjectNode;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Service;
+import org.thingsboard.common.util.JacksonUtil;
 import org.thingsboard.server.cluster.TbClusterService;
 import org.thingsboard.server.common.data.DataConstants;
 import org.thingsboard.server.common.data.EntityType;
@@ -34,8 +35,6 @@ import org.thingsboard.server.common.data.id.CustomerId;
 import org.thingsboard.server.common.data.id.EntityId;
 import org.thingsboard.server.common.data.id.TenantId;
 import org.thingsboard.server.common.data.kv.AttributeKvEntry;
-import org.thingsboard.server.common.data.kv.DataType;
-import org.thingsboard.server.common.data.kv.KvEntry;
 import org.thingsboard.server.common.data.kv.TsKvEntry;
 import org.thingsboard.server.common.msg.TbMsg;
 import org.thingsboard.server.common.msg.TbMsgDataType;
@@ -170,7 +169,7 @@ public class EntityActionService {
                         metaData.putValue(DataConstants.SCOPE, scope);
                         if (attributes != null) {
                             for (AttributeKvEntry attr : attributes) {
-                                addKvEntry(entityNode, attr);
+                                JacksonUtil.addKvEntry(entityNode, attr);
                             }
                         }
                     } else if (actionType == ActionType.ATTRIBUTES_DELETED) {
@@ -246,27 +245,11 @@ public class EntityActionService {
                 element.put("ts", entry.getKey());
                 ObjectNode values = element.putObject("values");
                 for (TsKvEntry tsKvEntry : entry.getValue()) {
-                    addKvEntry(values, tsKvEntry);
+                    JacksonUtil.addKvEntry(values, tsKvEntry);
                 }
                 result.add(element);
             }
         }
     }
 
-    private void addKvEntry(ObjectNode entityNode, KvEntry kvEntry) throws Exception {
-        if (kvEntry.getDataType() == DataType.BOOLEAN) {
-            kvEntry.getBooleanValue().ifPresent(value -> entityNode.put(kvEntry.getKey(), value));
-        } else if (kvEntry.getDataType() == DataType.DOUBLE) {
-            kvEntry.getDoubleValue().ifPresent(value -> entityNode.put(kvEntry.getKey(), value));
-        } else if (kvEntry.getDataType() == DataType.LONG) {
-            kvEntry.getLongValue().ifPresent(value -> entityNode.put(kvEntry.getKey(), value));
-        } else if (kvEntry.getDataType() == DataType.JSON) {
-            if (kvEntry.getJsonValue().isPresent()) {
-                entityNode.set(kvEntry.getKey(), json.readTree(kvEntry.getJsonValue().get()));
-            }
-        } else {
-            entityNode.put(kvEntry.getKey(), kvEntry.getValueAsString());
-        }
-    }
-
 }
diff --git a/common/util/src/main/java/org/thingsboard/common/util/JacksonUtil.java b/common/util/src/main/java/org/thingsboard/common/util/JacksonUtil.java
index 9c4b68d3c0..6425f5cbea 100644
--- a/common/util/src/main/java/org/thingsboard/common/util/JacksonUtil.java
+++ b/common/util/src/main/java/org/thingsboard/common/util/JacksonUtil.java
@@ -24,6 +24,8 @@ import com.fasterxml.jackson.databind.SerializationFeature;
 import com.fasterxml.jackson.databind.json.JsonMapper;
 import com.fasterxml.jackson.databind.node.ArrayNode;
 import com.fasterxml.jackson.databind.node.ObjectNode;
+import org.thingsboard.server.common.data.kv.DataType;
+import org.thingsboard.server.common.data.kv.KvEntry;
 
 import java.io.IOException;
 import java.util.ArrayList;
@@ -212,4 +214,20 @@ public class JacksonUtil {
             }
         }
     }
+
+    public static void addKvEntry(ObjectNode entityNode, KvEntry kvEntry) {
+        if (kvEntry.getDataType() == DataType.BOOLEAN) {
+            kvEntry.getBooleanValue().ifPresent(value -> entityNode.put(kvEntry.getKey(), value));
+        } else if (kvEntry.getDataType() == DataType.DOUBLE) {
+            kvEntry.getDoubleValue().ifPresent(value -> entityNode.put(kvEntry.getKey(), value));
+        } else if (kvEntry.getDataType() == DataType.LONG) {
+            kvEntry.getLongValue().ifPresent(value -> entityNode.put(kvEntry.getKey(), value));
+        } else if (kvEntry.getDataType() == DataType.JSON) {
+            if (kvEntry.getJsonValue().isPresent()) {
+                entityNode.set(kvEntry.getKey(), JacksonUtil.valueToTree(kvEntry.getJsonValue().get()));
+            }
+        } else {
+            entityNode.put(kvEntry.getKey(), kvEntry.getValueAsString());
+        }
+    }
 }
diff --git a/rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/telemetry/TbMsgDeleteAttributes.java b/rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/telemetry/TbMsgDeleteAttributes.java
index c5ead09150..e8839291a0 100644
--- a/rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/telemetry/TbMsgDeleteAttributes.java
+++ b/rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/telemetry/TbMsgDeleteAttributes.java
@@ -46,9 +46,9 @@ import java.util.stream.Collectors;
 )
 public class TbMsgDeleteAttributes implements TbNode {
 
-    TbMsgDeleteAttributesConfiguration config;
-    String scope;
-    List<String> keys;
+    private TbMsgDeleteAttributesConfiguration config;
+    private String scope;
+    private List<String> keys;
 
     @Override
     public void init(TbContext ctx, TbNodeConfiguration configuration) throws TbNodeException {
diff --git a/rule-engine/rule-engine-components/src/test/java/org/thingsboard/rule/engine/telemetry/TbMsgDeleteAttributesTest.java b/rule-engine/rule-engine-components/src/test/java/org/thingsboard/rule/engine/telemetry/TbMsgDeleteAttributesTest.java
index 8976a67318..8972a3aa1f 100644
--- a/rule-engine/rule-engine-components/src/test/java/org/thingsboard/rule/engine/telemetry/TbMsgDeleteAttributesTest.java
+++ b/rule-engine/rule-engine-components/src/test/java/org/thingsboard/rule/engine/telemetry/TbMsgDeleteAttributesTest.java
@@ -91,11 +91,6 @@ public class TbMsgDeleteAttributesTest {
         node.destroy();
     }
 
-    @Test
-    void givenDefaultConfig_whenInit_thenOK() {
-        assertThat(node.config).isEqualTo(config);
-    }
-
     @Test
     void givenDefaultConfig_whenVerify_thenOK() {
         TbMsgDeleteAttributesConfiguration defaultConfig = new TbMsgDeleteAttributesConfiguration().defaultConfiguration();