All transactions associated with this 546 satoshi
donations come from the same address, and by checking who is behind this address ( 1ViViGLEawN27xRzGrEhhYPQrZiTKvKLo ), we can find source of these
strange transactions.
Vivigle is a global crypto Ratings and Analytics Platform for Bitcoin, Bitcoin Cash, Ethereum and Litecoin
They are using this method for some analytics and also for advertising their tokens. I can say that this method is only confuses users, since most of them including OP ask what is actually happening. Few years ago there is similar dust transaction attack, and I get such transaction few times, then it just stop.
More info about Vivigle :
https://vivigle.com/