diff --git a/src/controller/java/src/chip/devicecontroller/model/AttributeWriteRequest.java b/src/controller/java/src/chip/devicecontroller/model/AttributeWriteRequest.java
index 0b74693480f5ba..792b7577efc15d 100644
--- a/src/controller/java/src/chip/devicecontroller/model/AttributeWriteRequest.java
+++ b/src/controller/java/src/chip/devicecontroller/model/AttributeWriteRequest.java
@@ -20,23 +20,47 @@
 import java.util.Locale;
 import java.util.Objects;
 import java.util.Optional;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+import javax.annotation.Nullable;
+import org.json.JSONException;
+import org.json.JSONObject;
 
 /** An attribute write request that should be used for interaction model write interaction. */
 public final class AttributeWriteRequest {
+  private static final Logger logger = Logger.getLogger(AttributeWriteRequest.class.getName());
   private final ChipPathId endpointId, clusterId, attributeId;
   private final Optional<Integer> dataVersion;
-  private final byte[] tlv;
+  @Nullable private final byte[] tlv;
+  @Nullable private final JSONObject json;
 
   private AttributeWriteRequest(
       ChipPathId endpointId,
       ChipPathId clusterId,
       ChipPathId attributeId,
-      byte[] tlv,
+      @Nullable byte[] tlv,
+      @Nullable String jsonString,
       Optional<Integer> dataVersion) {
     this.endpointId = endpointId;
     this.clusterId = clusterId;
     this.attributeId = attributeId;
-    this.tlv = tlv.clone();
+
+    if (tlv != null) {
+      this.tlv = tlv.clone();
+    } else {
+      this.tlv = null;
+    }
+
+    JSONObject jsonObject = null;
+    if (jsonString != null) {
+      try {
+        jsonObject = new JSONObject(jsonString);
+      } catch (JSONException ex) {
+        logger.log(Level.SEVERE, "Error parsing JSON string", ex);
+      }
+    }
+
+    this.json = jsonObject;
     this.dataVersion = dataVersion;
   }
 
@@ -60,8 +84,23 @@ public boolean hasDataVersion() {
     return dataVersion.isPresent();
   }
 
+  @Nullable
   public byte[] getTlvByteArray() {
-    return tlv.clone();
+    if (tlv != null) {
+      return tlv.clone();
+    }
+    return null;
+  }
+
+  @Nullable
+  public JSONObject getJson() {
+    return json;
+  }
+
+  @Nullable
+  public String getJsonString() {
+    if (json == null) return null;
+    return json.toString();
   }
 
   // check whether the current AttributeWriteRequest has same path as others.
@@ -93,7 +132,8 @@ public String toString() {
 
   public static AttributeWriteRequest newInstance(
       ChipPathId endpointId, ChipPathId clusterId, ChipPathId attributeId, byte[] tlv) {
-    return new AttributeWriteRequest(endpointId, clusterId, attributeId, tlv, Optional.empty());
+    return new AttributeWriteRequest(
+        endpointId, clusterId, attributeId, tlv, null, Optional.empty());
   }
 
   public static AttributeWriteRequest newInstance(
@@ -102,7 +142,7 @@ public static AttributeWriteRequest newInstance(
       ChipPathId attributeId,
       byte[] tlv,
       Optional<Integer> dataVersion) {
-    return new AttributeWriteRequest(endpointId, clusterId, attributeId, tlv, dataVersion);
+    return new AttributeWriteRequest(endpointId, clusterId, attributeId, tlv, null, dataVersion);
   }
 
   /** Create a new {@link AttributeWriteRequest} with only concrete ids. */
@@ -113,9 +153,11 @@ public static AttributeWriteRequest newInstance(
         ChipPathId.forId(clusterId),
         ChipPathId.forId(attributeId),
         tlv,
+        null,
         Optional.empty());
   }
 
+  /** Create a new {@link AttributeWriteRequest} with only concrete ids. */
   public static AttributeWriteRequest newInstance(
       int endpointId, long clusterId, long attributeId, byte[] tlv, Optional<Integer> dataVersion) {
     return new AttributeWriteRequest(
@@ -123,6 +165,51 @@ public static AttributeWriteRequest newInstance(
         ChipPathId.forId(clusterId),
         ChipPathId.forId(attributeId),
         tlv,
+        null,
+        dataVersion);
+  }
+
+  public static AttributeWriteRequest newInstance(
+      ChipPathId endpointId, ChipPathId clusterId, ChipPathId attributeId, String jsonString) {
+    return new AttributeWriteRequest(
+        endpointId, clusterId, attributeId, null, jsonString, Optional.empty());
+  }
+
+  /** Create a new {@link AttributeWriteRequest} with only concrete ids. */
+  public static AttributeWriteRequest newInstance(
+      int endpointId, long clusterId, long attributeId, String jsonString) {
+    return new AttributeWriteRequest(
+        ChipPathId.forId(endpointId),
+        ChipPathId.forId(clusterId),
+        ChipPathId.forId(attributeId),
+        null,
+        jsonString,
+        Optional.empty());
+  }
+
+  public static AttributeWriteRequest newInstance(
+      ChipPathId endpointId,
+      ChipPathId clusterId,
+      ChipPathId attributeId,
+      String jsonString,
+      Optional<Integer> dataVersion) {
+    return new AttributeWriteRequest(
+        endpointId, clusterId, attributeId, null, jsonString, dataVersion);
+  }
+
+  /** Create a new {@link AttributeWriteRequest} with only concrete ids. */
+  public static AttributeWriteRequest newInstance(
+      int endpointId,
+      long clusterId,
+      long attributeId,
+      String jsonString,
+      Optional<Integer> dataVersion) {
+    return new AttributeWriteRequest(
+        ChipPathId.forId(endpointId),
+        ChipPathId.forId(clusterId),
+        ChipPathId.forId(attributeId),
+        null,
+        jsonString,
         dataVersion);
   }
 }
diff --git a/src/controller/java/src/chip/devicecontroller/model/InvokeElement.java b/src/controller/java/src/chip/devicecontroller/model/InvokeElement.java
index 2ae4b55ff423e6..1a97bf64bc012a 100644
--- a/src/controller/java/src/chip/devicecontroller/model/InvokeElement.java
+++ b/src/controller/java/src/chip/devicecontroller/model/InvokeElement.java
@@ -81,10 +81,16 @@ public byte[] getTlvByteArray() {
   }
 
   @Nullable
-  public JSONObject getJson() {
+  public JSONObject getJsonObject() {
     return json;
   }
 
+  @Nullable
+  public String getJsonString() {
+    if (json == null) return null;
+    return json.toString();
+  }
+
   // check whether the current InvokeElement has same path as others.
   @Override
   public boolean equals(Object object) {