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: 9a68078bbff9de910bb8c377e699832cc907f9ce048625b18b0fe7ea1da14689 open-proposal-vote meta ba12981d6dc437c75069fee170bb74c7c56622352f6abd0ec52bb368e5425bdd by solex method (buip-acc-rej-abs)
Signature:
IOTr7Bj/9V8AG0PRmpfD+DvnWSKLKRMvac9UvAnvuhGQY26I5jAONYbUjNvdPZ1gTrcy4eBNhuwpYUcFnotPCe4=
This signature is the base64-encoded Bitcoin-signature of the above action string, signed with this action author's Bitcoin address.