fix

app/client_bot/routers/content.py

@@ -63,7 +63,7 @@ async def t_callback_purchase_node_content(query: types.CallbackQuery, memory=No
         meta={
             'confirmation_url': wallet_obj_by_name(ton_connection.wallet_key.split('==')[0])['universal_url']
         },
-        created_at=datetime.now()
+        created=datetime.now()
     )
     db_session.add(new_action)
     db_session.commit()