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: 9a68078bbff9de910bb8c377e699832cc907f9ce048625b18b0fe7ea1da14689 proposal-upload file 839763ebe9aa2ccfd353e470d4557695980e9024c31f36b5210e3aa669b25b69 by solex
Signature:
IFsXfL/XARG+2YMZhoOwPyy5V7U88yeIcrEXYkzcZBX8aKB1hA7IKeKIEKdYWu4dyd7oV5nQio58TkBJUV75vcU=
This signature is the base64-encoded Bitcoin-signature of the above action string, signed with this action author's Bitcoin address.