Log in to Adafruit IO and go to the dashboard.

Click on Feeds and then click the New Group button.

Enter the name "Embodiment" for the new group.

Click the Create button.

Click on the New Feed button.

Enter "client_to_mcu" as the new feed name and press the Create button.

Click New Feed again to create a second feed.

Enter "mcu_to_client" as the second feed name and press the Create button.

The mcu_to_client feed needs to have its history disabled in order to raise the message size limit.

Click on the mcu_to_client feed to go into it, scroll down a little and click on the gear in the Feed History section.

Select Off in the feed history setting dropdown and click Save.