So I googled this random and bizarre message.

Turns out it is not machine generated but in fact a phrase in German that means "I don't care".

No idea on earth why ...

"Das interssiert mich so sehr wie wenn ein Sack Reis irgendwo in China umfällt."

... is easier to say than "don't care" but whatevs.

So essentially Ms Marly is saying she doesn't care that she wasn't nice to Marky.

Take that as you will ...