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: 9139498685e653fc405cb1e2a1281af8b03f43491027a72a7ba31366d9d018e8 proposal-upload file 17214bdc7a4338841a715dcb62209e599671d6706b4e783c0d03b2532f382109 by solex
Signature:
IED3uXiF02U7iPVoVpfa79CKQsePw+a2hHwfN7bY0RsCGB5pWuQZ+TZ1pnUsGrpk/1LuKwm98UaBtlzSrdW6L6U=
This signature is the base64-encoded Bitcoin-signature of the above action string, signed with this action author's Bitcoin address.