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: 5776292860f8c233038833f18c8d4eaaab686efc9dc721265df14d3fde9f2efb proposal-upload file 0c74273f862fb12345b317e541711b2261a4df7631307cf387417008e1cde7b0 by solex
Signature:
IDZ/aCsrNPunXKk4ool4AtE8KzuVztGjhVd9sYASIq7KVyjk4wICtkB2rZ0oi2TMCZOR7eDpJeen6vRF+SlIR54=
This signature is the base64-encoded Bitcoin-signature of the above action string, signed with this action author's Bitcoin address.