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: be3c66388058cc34d9e899e516e8ed808b294bb3d567008f12727ed5d8b5e3c0 cast-proposal-ballot vote 12087117966ede1b4125322120f51878b5b01159933b663ce9b56c1b529e900d by imaginary_username answer (accept) # proposal: BUIP098
Signature:
Hx51B3qnUeota5pGBMJq9S53U26R8f30KtaLJUd+iid8LCtJKTNerx6xTR5aWiTHh7EB1mCvYjFCkfWc6FXqcgE=
This signature is the base64-encoded Bitcoin-signature of the above action string, signed with this action author's Bitcoin address.