An action is any change submitted to the voting system, such as
The author of this action is: Peter_Tschipper, 1AmdP3nFWSJhkzszXHZNQiJLx7eUGRbzvs
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-member-ballot name arruah address 1P5YMGAzSypskCy1kMr7otjH5bSeD1nP9X by Peter_Tschipper answer abstain
Signature:
H3vpqSUDtD1xHla3bXG5pm48zZd1aBnwTErTfsrwKQsfQDPpjyDHVwuv/8zd5tNy6sdjCD/MbWbNFzeswvEO9u0=
This signature is the base64-encoded Bitcoin-signature of the above action string, signed with this action author's Bitcoin address.