Change this:

    <script src="https://cdn.broadstreetads.com/init-2.min.js"></script>
    <script>broadstreet.watch({ networkId: 5343 })</script>

To this:

    <script src="https://cdn.broadstreetads.com/init-2.min.js"></script>
    <script>broadstreet.loadNetworkJS(5343)</script>