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 b3769cc63160585edaa69c1ce9ed182251e3afc52fd9dd14997de7e103e2b140 by solex
Signature:
H7EZpeeKAQhnvaYClapQOuv77gKrmIsNCv5TQiEIMprLT92APZ6pybv8K+aJPUjQRYJ/rVCaiV6LC3g8183UT+I=
This signature is the base64-encoded Bitcoin-signature of the above action string, signed with this action author's Bitcoin address.