Following a chart will allow you to receive notifications when comments are left on that chart. To follow a chart, tap the ‘Follow’ button to the bottom right of the chart. To unfollow a chart, simply tap the button again.
To see which charts you’re following, go to the Community section and tap ‘My Charts’ in the top right corner of the screen, then tap the ‘Following’ tab. You’ll see a list of the charts you’ve followed. If you wish to unfollow a chart, tap the ‘x’ next to that chart.