An action is any change submitted to the voting system, such as
The author of this action is: freetrader, 1Libre7MGkCXr7pUAEbwihCR9X4quYAyQ4
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-member-ballot name Griffith address 1Pcpj8sR5adRNMi8rZ1Zi7rg6GPqcmFHAz by freetrader answer accept
Signature:
G7OvZJfp1pa/OElp9PDuAJuzdL7FYiPGtI7vemNo09UQvxgYdJfP9X7QDoePC+OdZzU+4yhnuKrzaG8rEuHMfxc=
This signature is the base64-encoded Bitcoin-signature of the above action string, signed with this action author's Bitcoin address.