At this point, the URL just gives a XML file which says amongst other
things "The specified key does not exist."
From the description, I think I've seen it before, eg. here:
https://twitter.com/__femb0t/status/1552048412941484034
--
/* * * Otto J. Makela <
o...@iki.fi> * * * * * * * * * */
/* Phone:
+358 40 765 5772, ICBM: N 60 10' E 24 55' */
/* Mail: Mechelininkatu 26 B 27, FI-00100 Helsinki */
/* * * Computers Rule 01001111 01001011 * * * * * * */