To check if your setup is working, you can use any MQTT client, and subscribe to the topic you've created, you should be able to see the data of the source you've selected. In the image below, i've used the AWS IoT mqtt test client to subscribe to the topic that the router was publishing.
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To check if your setup is working, you can use any MQTT client, and subscribe to the topic you've created, you should be able to see the data of the source you've selected. You can use the AWS IoT MQTT test client to subscribe to the topic that the router was publishing.