An action is any change submitted to the voting system, such as
The author of this action is: kyuupichan, 1BH8E3TkuJMCcH5WGD11kVweKZuhh6vb7V
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 cast-member-ballot name Erik_Beijnoff address 1Nm9MEPAi5qLA9MFULNQAs432fNLrQdpGr by kyuupichan answer accept
Signature:
ICrr7sgB9Q/0fJVCMBWnqpDsHG5+guEn8S/QMILtTwUKWrdSmgha0Wu9jOV/3xHJ3HkrKQTDFhdkDsWqS7xaBn4=
This signature is the base64-encoded Bitcoin-signature of the above action string, signed with this action author's Bitcoin address.