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: 89efdbe4e464fb1ca1f2630b0c14b60d7256410bcd2bb99b98f7aab13b87546f proposal-upload file a0a0f4c4f0e2c8c8e9af1df206d53d05cbec458bd99812e63e2250723abb17ae by solex
Signature:
H7rtT06lVu3NsgvcKcVgmtrfauY52bnZTqex3/uJN/OFfCsSeY9ToNeWnyuKRtoBuvvctbKm3iZTA0pOl1xMwco=
This signature is the base64-encoded Bitcoin-signature of the above action string, signed with this action author's Bitcoin address.