An action is any change submitted to the voting system, such as
The author of this action is: solex, 15TiujYmnHa33fjEnasBBm1eWcGx9YEXPL
The member list that this action was made for.
The action string, which is the actual "command" part of the action:
bitcoin-unlimited-voting: bea049c5d14a4f28e3e18629e28b6d7e9790eca4edbeda2db6d9853e623f0b55 open-proposal-vote meta 76053ee26427f8ca4512f1662062e6d107598681ffd58aa4b3774415179f24bb by solex method (buip-acc-rej-abs)
Signature:
IP7ONv9K0s4+J58lbBpNq5cx9CjNLIV+pvL1lMTnuMXHTKtFm9H54Z8BDfU/tGMhrVCX+efM7f9hBtX6+M6NFwo=
This signature is the base64-encoded Bitcoin-signature of the above action string, signed with this action author's Bitcoin address.