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: 6bc2c8b25a62112738fb003b12767d1e828ed032549819ff8d7182384ac0e388 proposal-upload file 9d0e52c2afdd4fdd61a3b588cb2c5e998c4fe4dccbe51edaa48361a6367a55c6 by solex
Signature:
IHRdr11/8sXoPFjgK6PxgO06ups0f+ejpEyK2SaNJZl7Yj5dvFrlJPjTtW027RZdiJZyUOigPCb6HNbirQY2OIg=
This signature is the base64-encoded Bitcoin-signature of the above action string, signed with this action author's Bitcoin address.