An action is any change submitted to the voting system, such as
The author of this action is: solex, 15TiujYmnHa33fjEnasBBm1eWcGx9YEXPL
The member list that this action was made for.
The action string, which is the actual "command" part of the action:
bitcoin-unlimited-voting: 242bbdbc67846623368b9d1fae050d6815f1942093617033be4db57ffe21c9e0 cast-proposal-ballot vote 7058a2006a22ece8be1bc1bcf9288cf405af41490942faaadf9233179bd5c401 by solex answer (accept)
Signature:
IN1+1ViMciVs1XUiv39flQi57PS3VddvHenhn7CLrBlNPUgGMg/En4OpMTH8/1uHQnz5EDc+z6PiwVr3pzwkmjo=
This signature is the base64-encoded Bitcoin-signature of the above action string, signed with this action author's Bitcoin address.