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 cast-member-ballot name jtoomim_ address 1N1r3MSrv3jMFdLNRxnkW592Rw4Q92v3ow by solex answer accept
Signature:
ILgChOOSg/jGz7Z63oQ4rpWhJX6BMPg0at/gDYJwld4hUC/lkOwDjnWkTwC2Hjh/UjbqRWvyW/8qK3A+XYeE34M=
This signature is the base64-encoded Bitcoin-signature of the above action string, signed with this action author's Bitcoin address.