An action is any change submitted to the voting system, such as
The author of this action is: lunar, 1BpYYT2HQzQdz5CFPM1nehCZd1xWPtNbma
The member list that this action was made for.
The action string, which is the actual "command" part of the action:
bitcoin-unlimited-voting: 242bbdbc67846623368b9d1fae050d6815f1942093617033be4db57ffe21c9e0 cast-proposal-ballot vote 8382ac498632f93c45dc1023bbbf26b6f39046ff935cd7c29eaa4abb0671c23a by lunar answer (accept)
Signature:
H5vw255kamqp8M/PCgUanlXmKM87kx/Of+ANQgTZQvSMKUeaW87mUuFW6EZODd5fauByaD0oUuRh2FG59GZX9Nw=
This signature is the base64-encoded Bitcoin-signature of the above action string, signed with this action author's Bitcoin address.