An action is any change submitted to the voting system, such as
The author of this action is: AdrianX, 1d3ePRadbB5xfkMjU7UFvxQ1CrVK5CUKE
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 5e3445ea2e81fb23bec02ce937a48ab70511f2909d0f9f116cb61cc762e42bb4 by AdrianX answer (accept)
Signature:
H8d4YV2ZS1Z+PpIetl3/qf3EtWApUprQd6MeF3bntQQjEMZjk9xYaVA3pdS5xQG02nuWStoo6uDde4l2xVGCmxw=
This signature is the base64-encoded Bitcoin-signature of the above action string, signed with this action author's Bitcoin address.