diff --git a/backend/src/main/java/AppConfig.java b/backend/src/main/java/AppConfig.java
index bf138034..2feab497 100644
--- a/backend/src/main/java/AppConfig.java
+++ b/backend/src/main/java/AppConfig.java
@@ -3,6 +3,7 @@ import java.security.NoSuchAlgorithmException;
 import java.security.SecureRandom;
 import java.security.cert.X509Certificate;
 import java.time.Duration;
+import java.util.Map;
 import javax.net.ssl.SSLContext;
 import javax.net.ssl.TrustManager;
 import javax.net.ssl.X509TrustManager;
@@ -11,6 +12,7 @@ import javax.sql.DataSource;
 import com.fasterxml.jackson.core.JsonFactory;
 import com.fasterxml.jackson.core.StreamReadConstraints;
 import com.fasterxml.jackson.databind.DeserializationFeature;
+import com.fasterxml.jackson.databind.JsonDeserializer;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.SerializationFeature;
 import com.fasterxml.jackson.databind.module.SimpleModule;
@@ -40,7 +42,9 @@ import org.springframework.scheduling.annotation.EnableScheduling;
 import org.springframework.scheduling.concurrent.ThreadPoolTaskScheduler;
 import org.springframework.web.client.RestTemplate;
 import org.springframework.web.servlet.config.annotation.EnableWebMvc;
+import ru.micord.ervu.account_applications.deserializer.DataWrapperDeserializer;
 import ru.micord.ervu.account_applications.deserializer.ReferenceEntityDeserializer;
+import ru.micord.ervu.account_applications.model.DataWrapper;
 import ru.micord.ervu.account_applications.model.ReferenceEntity;
 
 /**
@@ -162,7 +166,7 @@ public class AppConfig {
         .build();
 
     SimpleModule module = new SimpleModule();
-    module.addDeserializer(ReferenceEntity.class, new ReferenceEntityDeserializer());
+    customDeserializers().forEach(module::addDeserializer);
 
     return new ObjectMapper(factory)
         .configure(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS, false)
@@ -171,4 +175,11 @@ public class AppConfig {
         .configure(DeserializationFeature.READ_UNKNOWN_ENUM_VALUES_USING_DEFAULT_VALUE, true)
         .registerModules(new JavaTimeModule(), module);
   }
+
+  private Map<Class, JsonDeserializer> customDeserializers() {
+    return Map.of(
+        ReferenceEntity.class, new ReferenceEntityDeserializer(),
+        DataWrapper.class, new DataWrapperDeserializer()
+    );
+  }
 }
diff --git a/backend/src/main/java/ru/micord/ervu/account_applications/deserializer/DataWrapperDeserializer.java b/backend/src/main/java/ru/micord/ervu/account_applications/deserializer/DataWrapperDeserializer.java
new file mode 100644
index 00000000..e1951b01
--- /dev/null
+++ b/backend/src/main/java/ru/micord/ervu/account_applications/deserializer/DataWrapperDeserializer.java
@@ -0,0 +1,39 @@
+package ru.micord.ervu.account_applications.deserializer;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+import com.fasterxml.jackson.core.JacksonException;
+import com.fasterxml.jackson.core.JsonParser;
+import com.fasterxml.jackson.databind.DeserializationContext;
+import com.fasterxml.jackson.databind.JsonDeserializer;
+import com.fasterxml.jackson.databind.JsonNode;
+import ru.micord.ervu.account_applications.model.DataWrapper;
+
+/**
+ * @author Adel Kalimullin
+ */
+public class DataWrapperDeserializer extends JsonDeserializer<DataWrapper> {
+
+  @Override
+  public DataWrapper deserialize(JsonParser jsonParser,
+      DeserializationContext deserializationContext) throws IOException, JacksonException {
+    JsonNode node = jsonParser.readValueAsTree();
+    if (node.isTextual()){
+      return new DataWrapper(List.of(node.asText()));
+    }
+    else if (node.isArray()){
+      List<String> values = new ArrayList<>();
+      for (JsonNode element : node) {
+        if (element.isTextual()) {
+          values.add(element.asText());
+        }
+      }
+      return new DataWrapper(values);
+    }
+
+    return new DataWrapper(Collections.emptyList());
+  }
+}
diff --git a/backend/src/main/java/ru/micord/ervu/account_applications/kafka/model/ChangeActiveMessage.java b/backend/src/main/java/ru/micord/ervu/account_applications/kafka/model/ChangeActiveMessage.java
index 6bc17657..e19c8857 100644
--- a/backend/src/main/java/ru/micord/ervu/account_applications/kafka/model/ChangeActiveMessage.java
+++ b/backend/src/main/java/ru/micord/ervu/account_applications/kafka/model/ChangeActiveMessage.java
@@ -1,9 +1,7 @@
 package ru.micord.ervu.account_applications.kafka.model;
 
-import java.util.List;
-
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
-import ru.micord.ervu.account_applications.model.ReferenceEntity;
+import ru.micord.ervu.account_applications.model.DataWrapper;
 
 /**
  * @author Adel Kalimullin
@@ -11,13 +9,13 @@ import ru.micord.ervu.account_applications.model.ReferenceEntity;
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class ChangeActiveMessage {
   private boolean success;
-  private List<String> data;
+  private DataWrapper data;
 
-  public List<String> getData() {
+  public DataWrapper getData() {
     return data;
   }
 
-  public void setData(List<String> data) {
+  public void setData(DataWrapper data) {
     this.data = data;
   }
 
diff --git a/backend/src/main/java/ru/micord/ervu/account_applications/model/DataWrapper.java b/backend/src/main/java/ru/micord/ervu/account_applications/model/DataWrapper.java
new file mode 100644
index 00000000..5ee14e1e
--- /dev/null
+++ b/backend/src/main/java/ru/micord/ervu/account_applications/model/DataWrapper.java
@@ -0,0 +1,18 @@
+package ru.micord.ervu.account_applications.model;
+
+import java.util.List;
+
+/**
+ * @author Adel Kalimullin
+ */
+public class DataWrapper {
+  private final List<String> ids;
+
+  public DataWrapper(List<String> values) {
+    this.ids = values;
+  }
+
+  public List<String> getIds() {
+    return ids;
+  }
+}
\ No newline at end of file
diff --git a/backend/src/main/java/ru/micord/ervu/account_applications/service/ErvuDirectoriesService.java b/backend/src/main/java/ru/micord/ervu/account_applications/service/ErvuDirectoriesService.java
index b9d9c20f..6d4a324e 100644
--- a/backend/src/main/java/ru/micord/ervu/account_applications/service/ErvuDirectoriesService.java
+++ b/backend/src/main/java/ru/micord/ervu/account_applications/service/ErvuDirectoriesService.java
@@ -99,13 +99,15 @@ public class ErvuDirectoriesService {
           ChangeActiveMessage.class
       );
 
-      if (changeActiveMessage.isSuccess() && !CollectionUtils.isEmpty(changeActiveMessage.getData())) {
+      if (changeActiveMessage.isSuccess() &&
+          changeActiveMessage.getData() != null &&
+          !CollectionUtils.isEmpty(changeActiveMessage.getData().getIds())) {
         DataProcessor<T, ?> processor = (DataProcessor<T, ?>) dataProcessors.get(entityClass);
         if (processor == null) {
           throw new IllegalStateException("No processor found for " + entityClass.getSimpleName());
         }
 
-        processor.changeActiveStatus(changeActiveMessage.getData(), active);
+        processor.changeActiveStatus(changeActiveMessage.getData().getIds(), active);
       }
     }
     catch (Exception e) {