I don't know about your message box on Facebook, but they have started arriving in my mailbox telling me not to accept and to forwardard onto all my contacts blah blah blah....
FFS it is 2017, do people still believe all this shit! Can nobody do a little research to see if there is any merit in these messages before blindly forwarding onto everyone.....
Here, I will even do it for you, just click the link below, it is that easy!
http://lmgtfy.com/?q=jayden+k+smith+hacker
There are even sites dedicated to listing all this rubbish to check against.
Hoax-slayer is one of those sites and here is their link to the subject;
http://www.hoax-slayer.net/jayden-k-smith-hacker-warning-is-a-hoax/
image from hoax-slayer link