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 599e9a1916217012088ba042939450aeb45811d5a12d3d79b84d1ea740620229 by solex
Signature:
IPd6v5+8h5/SdhGeHmRpXsksVGMvKPmb6j8csDqC142iek8vIAD4VV8V8z5WLJW92C5kuZ6g+HbUwI360rW0xFM=
This signature is the base64-encoded Bitcoin-signature of the above action string, signed with this action author's Bitcoin address.