An action is any change submitted to the voting system, such as
The author of this action is: imaginary_username, 1KNvUAmquf9v2BgyrTsLjE8GdKwu1PaJed
The member list that this action was made for.
The action string, which is the actual "command" part of the action:
bitcoin-unlimited-voting: 5776292860f8c233038833f18c8d4eaaab686efc9dc721265df14d3fde9f2efb cast-proposal-ballot vote 13d1ac71aee828fada3ad28851d6fed76c5440336ed96ec1b076720e248dffb7 by imaginary_username answer (accept) # proposal: BUIP125
Signature:
IBL0rKQDMStTqQ+Sx4VFZ2406MC/pdbpWYOiP5k/OrG0OEhHxCJXuRdWAy27WBylhqJDZy0gocNNMDDCkpsNp98=
This signature is the base64-encoded Bitcoin-signature of the above action string, signed with this action author's Bitcoin address.