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 open-proposal-vote meta a03e9d6f514ec5e1937995b52e203242b8acbeaf6c7df37844d36d13768075da by solex method (buip-acc-rej-abs)
Signature:
H8iDhULzolyEXhVbtE06+CV4mvCH9V+ygQdxSaePMmJMNkyzZRVBp9qVYE+NbI5IEWgIFj85c2nu49s8MFUpraw=
This signature is the base64-encoded Bitcoin-signature of the above action string, signed with this action author's Bitcoin address.