Bite My Shiny Metal Hex

The Planet Express crew recently discovered the ancient 1995 documentary Johnny Mnemonic, and naturally decided that stuffing important data into someone's head was peak delivery science. Our tiny cyber-courier may not have 320 gigabytes of stolen pharma secrets rattling around upstairs, but the poster definitely seems to be carrying something. The hex below is waiting patiently, the payload is looking smug, and somewhere in all this retro-future nonsense is the key that makes the whole thing less scrambled.

19:2a:3c:52:3e:08:21:20:28:58:24:09:00:31:25:38:22:1c:2f:5e:14:5f:05:12:0f:1b:25:27:28:58:06:56