public String toString() {
      return "[StoreKey=" + storeKey + ",ServerErrorCode=" + serverErrorCode + ",BlobProperties=" + blobProperties
          + ",UserMetadata size=" + ((userMetadata != null) ? userMetadata.length : 0) + "," + "Blob data size=" + (
          (blobData != null) ? blobData.length : 0) + "]";
    }
Gets details about any mismatches in {@link BlobProperties}
@param that the {@link ServerResponse} to compare against.
@return details about any mismatches.
ambry-tools/src/main/java/com/github/ambry/tools/admin/BlobValidator.java