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: 17fedb2146b90528805cd8f43b585bfbc3db5e1343eb665d35e9976118a970ce cast-proposal-ballot vote 15c90f1b582312dede44fe531b3117467fb00e8672166e850c504cbfe9148ea4 by lunar answer (accept) # proposal: BUIP085
Signature:
HzEtPVeICcQgdnd/9iBNMG623toTFq0b9FYLr2CJnFbkd713SVntvlxgfjq06kSjdZZ+U7XS7KZkfrBx82gEa+8=
This signature is the base64-encoded Bitcoin-signature of the above action string, signed with this action author's Bitcoin address.