How to read all new messages from telegram channels using golang? Can’t find any info or examples. Help if you know how to implement this.

im trying make telegram bot in golang using gopkg.in/telebot.v3 library im running simple echo bot but it says mistake (2024/05/25 18:20:11 telegram: Not Found (404)
exit status 1) whats the problem ?.

I’m write a application to listen message from all channels, which my account subscribe on telegram. It’s use user token (not bot).
My issue is with normal channels, messages received from telegram delivery very fast, immediately. But with some channels (has 100k – 300k users), messages from telegram was delayed 5m – 20m. I’m using Golang sdk with MTproto