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: ba0411a9e0c7f210c553a4272e3d1fb78bad93c5a59d6f8ae566287f151921ad proposal-upload file 37163a08282b8c1632fe03d47ff8025b5a8439220f9208f6955a42ad639e6202 by solex
Signature:
IEZsMlAL478iVu4uu59cz+CiFi6l704fGrPx2n4tDxsRVYiN5zf1ZDw5MZtlfMtzY/b9jdlS9fG1SpA1Kgy9Ieg=
This signature is the base64-encoded Bitcoin-signature of the above action string, signed with this action author's Bitcoin address.