What is «encrypted» on the «QR code» of Mengli Geray?

An image of the seal of the Crimean Khan Mengli Geray, who ruled in the XV- XVI centuries, is gaining popularity in the network. The users of social networks have found it incredibly similar to a modern QR code. And indeed, the information on the seal can be read. The text of its translation was quoted in one of the articles by orientalist and Turkologist Arkady Grigoriev (1931-2010)