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: 89efdbe4e464fb1ca1f2630b0c14b60d7256410bcd2bb99b98f7aab13b87546f proposal-upload file ac4892809d7afd3f9c31c9759223a9c3580a7c836c135aab6789e60b9cf69e2f by solex
Signature:
HyaLfT9dkA+9hfHZeC0xK2sayAeOTCSvQy9flOFDsd7PJwnk6XJyz3eW6Jg37alJcoHCbEyAJOR3+PHCz2s7EmI=
This signature is the base64-encoded Bitcoin-signature of the above action string, signed with this action author's Bitcoin address.