An action is any change submitted to the voting system, such as
The author of this action is: lunar, 1BpYYT2HQzQdz5CFPM1nehCZd1xWPtNbma
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 cast-proposal-ballot vote d9045bcab9144ba3cf413dbc912f26f164582e69eb3cab1a262b599e5cb8fd01 by lunar answer (accept) # proposal: BUIP081
Signature:
HzkKUYpy+JWx3pSZGduo+jYM/foEAJN24Fwc0nfgle/cQXugoxiCX+bQ4XgoCmoREd/JnKtstcaXm7/VXxIpLcw=
This signature is the base64-encoded Bitcoin-signature of the above action string, signed with this action author's Bitcoin address.