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: 242bbdbc67846623368b9d1fae050d6815f1942093617033be4db57ffe21c9e0 cast-member-ballot name Hyena address 1Hyena1Y6fVt6aMbrFUwXPH93qvyyxDi3M by solex answer accept
Signature:
IKQ3oVujibZH6qbQNV3MBOJ46JJPedDG0mPqe0lGhfzwS02wYpZYloxccLLC1E2IImZHn75/OmB20aD3dcjA+CE=
This signature is the base64-encoded Bitcoin-signature of the above action string, signed with this action author's Bitcoin address.