How can I get messages from a Telegram channel with arduino

How can I access to a Telegram channel messages with a bot registered as channel admin? I have added my bot to a channel(my bot is admin), now for few commands I need to get some messages from the channel, so is it possible to receive message of the channel? I am using ESP8266 12E Arduino

Have you tried this:

I haven't used it but I recently came across the repository so it was fresh on my mind.

Also posted at:
https://stackoverflow.com/q/48620833
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