It's actually even more than that. The European version of the news is reporting it. They interviewed his father. It's 28 mio$$ which with taxes is cca 41 mio$$, equivalent to about 13.8 mil PER season.

That's just insane . . .

edited to add;
In an interview, he said the money they offered him was just too good. The most serious suitors in the NBA were Atlanta and Golden State, but when he told them the Russian number, they just "shrugged".