i have checked my wallet and found payment of 0.00000546 BTC from address i don't know 1ViViGLEawN27xRzGrEhhYPQrZiTKvKLo.
first time i receive something like this

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i did some google search ,turned out a site with name vivigle who sent it , i don't care if this just advertising , it's funny ,
That's amazing as this looks like a free gift. Potentially no one would love to send such amount of Bitcoin just for free if not promotion, bonus or airdrops. Maybe you have applied in airdrop long time ago and forgotten or free bonus for signed up in any of the website. If this is untrue then be ready for the worst maybe its just a spam.