You wouldn’t be able to do this in the node - you may be able to do this through the HTTP Request node if the Telegram API supports it, however
One thing to note: The API will not allow more than ~30 messages to different users per second, if you go over that, you’ll start getting 429 errors. You also can’t send more than 20 messages per minute to the same group.
If you’re looking to send messages to only one user ID at a time, you can use this as some inspiration: