Definitely not true.
At best, a sleazy attempt to get you on some advertising list(s), by dangling the promise of a valuable prize that few – if any – of the people being spammed will ever receive. Like those "claw" machines in restaurants and in arcades that make it look so "easy" to get something valuable; where on closer inspection, you find that the "claw" machine is stocked with cheap knock-offs and that the odds of snagging even one of them are close to NIL.
Or worse, the prelude to the type of scam where once the scammers have your information, they clean you out …