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 bba0f04217ac67d8a73557b031c6fd606e8017bb03a8d9bb8e343461462eb00b by imaginary_username answer (accept) # proposal: BUIP138
Signature:
H1fPP+nJUARqrqGvuoFd0clpnbczHB8KdaHQqawetUntR+CswV9gaQHx7TcyNZ/fKiaY38zMCkv2yXy93HIDcWU=
This signature is the base64-encoded Bitcoin-signature of the above action string, signed with this action author's Bitcoin address.