Follow the link starts with t.me/send?=SB… or t.me/send?=s… and tap a Start button, then tap Subscribe and request to join the channel or group. After the join request is sent, you will be prompted to choose one of the available subscription plans. Then choose a cryptocurrency and tap Subscribe Now.

After subscribing, your join request will be approved automatically and you will be able to view the channel or group you subscribed to. The subscription price will be billed automatically at the set frequency. When you have not enough coins on your balance to renew the subscription, you will receive a few notifications about this.