cargo run --example authenticate_with_token -- https://matrix.bwinf.de MDAxZGxvY2F0aW9uIG1hdHJpeC5id2luZi5kZQowMDEzaWRlbnRpZmllciBrZXkKMDAxMGNpZCBnZW4gPSAxCjAwMmJjaWQgdXNlcl9pZCA9IEBtYXRyaXh0Om1hdHJpeC5id2luZi5kZQowMDE2Y2lkIHR5cGUgPSBhY2Nlc3MKMDAyMWNpZCBub25jZSA9IEVyT1ksNDk1dEVxZS1lZC4KMDAyZnNpZ25hdHVyZSBESGSWyma89x0dM_9_WwrJTsfFRi03CheiZ2qnY-D93wo \#bla:matrix.bwinf.de