An action is any change submitted to the voting system, such as
The author of this action is: theZerg, 1zerg12nRXZ41Pw4tfCTqgtdiJx6D1We3
The member list that this action was made for.
The action string, which is the actual "command" part of the action:
bitcoin-unlimited-voting: 9139498685e653fc405cb1e2a1281af8b03f43491027a72a7ba31366d9d018e8 cast-member-ballot name Shaun_Chong address 1BZTJSoLVgwwKrKpV6DGyDQeUUGw5wthuu by theZerg answer accept
Signature:
HNBCqPKw8oW79chHHXcNbBzjZ7+c88JtB4Gks/qGqcZfI3Nt4dJYVaXcIaEMJtBALH+qnqRZDMNs0xN8mn+raKI=
This signature is the base64-encoded Bitcoin-signature of the above action string, signed with this action author's Bitcoin address.