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Author: YunchuWang

src/Extensions/AzureBlobPayloads/Converters/LargePayloadDataConverter.cs

@@ -37,13 +37,13 @@ public sealed class LargePayloadDataConverter(DataConverter innerConverter, IPay
     /// <returns>The serialized value or the token if externalized.</returns>
     public override string? Serialize(object? value)
     {
-        if (value is null)
+        string? json = this.innerConverter.Serialize(value);
+
+        if (string.IsNullOrEmpty(json))
         {
             return null;
         }
 
-        string json = this.innerConverter.Serialize(value) ?? "null";
-
         int byteCount = this.utf8.GetByteCount(json);
         if (byteCount < this.largePayloadStorageOptions.ExternalizeThresholdBytes)
         {