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: cdb3de1a02836ad7aed816ac9c6245b5dcc2b41345865b7ae3026a29ac290758 proposal-upload file 282435d88f22764a366a93cb56155d253866f52dec38b1c8bf898c7fb2e4bc68 by solex
Signature:
H2pjdgFhXPuFMi4J2Tk57FUe2K9DJOTRp4XSex9QFVykLBkS0LNgKW660F03sRBRlceDquyBMOMOtuIzvdUNAGc=
This signature is the base64-encoded Bitcoin-signature of the above action string, signed with this action author's Bitcoin address.