An action is any change submitted to the voting system, such as
The author of this action is: sickpig, 1LwvkQTWmotqTosgBcK8kFPCKzW2BPiE1G
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-proposal-ballot vote cc20f92d97ff2549145ea11479718f828bea45fe84c5865a4cd6f6044e16207d by sickpig answer (accept)
Signature:
ILuPha3D6yxoQfPNqF3wvZaCowddyImH8ni0ZsKnJYIUSkiK14BYDQb/LXVTAVPmgJZE3fj4OrvjWbvYJTTJM50=
This signature is the base64-encoded Bitcoin-signature of the above action string, signed with this action author's Bitcoin address.