OBJECT STRUCTURE:

my_data:
> {
> > "events":
> > > [
> > > > {
> > > > > "name": "Berlin festival",
> > > > > "date": 17/05
> > > > > "description": "Music festival",
> > > > > "artists":
> > > > > > [
> > > > > > > {
> > > > > > > > "name": "Mark L."
> > > > > > > > "genre": "Pop"
> > > > > > > },
> > > > > > > {
> > > > > > > > "name": "Andrew F."
> > > > > > > > "genre": "Rap"
> > > > > > > },
> > > > > > ]
> > > > }
> > > ],
> > > [
> > > > ...
> > > ]
> }

__________

METHOD:

bot.send_message(..., text="".join([f"<b>Event: {e['description']}</b>\n Event date: {e['Date']}\n\n⭕ {e['#names']}" for e in my_data['events']])