it could be a key for an encrypted insurance file
found this old news from 2013
and this image of another tweet he made some days ago
it says "Did you work with me? Have we talked since 2013? Please recontact me securely, or talk to batongellman. It´s time."
http://qz.com/97885/how-edward-snowdens-encrypted-insurance-file-might-work/
https://imgur.com/a/11Hex#pjoFu1h
great find, it it's true Snowden might be in trouble
Thank you for the upvote.
Lets hope everything is alright with Snowden
Damn very cryptic. Love it. hopefully they're gonna expose some new dark dirty shit :P