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 6d97626a83e1cc87ad3ad7de6b79bd55f45e7e400e4b5f2a67ea3970ec788226 by lunar answer (accept) # proposal: BUIP075
Signature:
IDZSJHPJMbEmCeWqprUZNOAb4fmsBCt/SIWYI5ORQn0RcN0icZ0f9bHbc+oQ/wj/Z/C5OkTM11ZxIQjjvcIXsDw=
This signature is the base64-encoded Bitcoin-signature of the above action string, signed with this action author's Bitcoin address.