fix first paginate method

app/dao/inbound_sms_dao.py

@@ -1,4 +1,4 @@
-from flask import current_app
+from flask import current_app, json
 from sqlalchemy import and_, delete, desc, func, select
 from sqlalchemy.dialects.postgresql import insert
 from sqlalchemy.orm import aliased
@@ -217,6 +217,11 @@ def dao_get_paginated_most_recent_inbound_sms_by_user_number_for_service(
     page_size = current_app.config["PAGE_SIZE"]
     offset = (page - 1) * page_size
     paginated_results = result[offset : offset + page_size]
+    try:
+        json.dumps(paginated_results)
+    except TypeError as e:
+        current_app.logger.exception("Serialization Error")
+        raise e
     pagination = Pagination(paginated_results, page, page_size, len(result))
     return pagination