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: 5e9787f328d1f39d6dcd58bd70c28c9b36c7ac89f7a29d45950698b7e8ea49f3 open-proposal-vote meta 5bac8b849d649dc6dc17ae9c3ac648da783485be8e7392f2ff895bf36e0ff4c5 by solex method (buip-acc-rej-abs)
Signature:
H+tvVrCxy3pxIalHQ3NOFfygmtwnywT97KtaM5K33RbRdAjZT6mBqK+Dau/0nZ9W7YN2sXvrE/acld/PHqL0kPs=
This signature is the base64-encoded Bitcoin-signature of the above action string, signed with this action author's Bitcoin address.