An action is any change submitted to the voting system, such as
The author of this action is: jtoomim, 1FL9Ln6DTcp9HgTUkc6rFaePqGLn5G4d4M
The member list that this action was made for.
The action string, which is the actual "command" part of the action:
bitcoin-unlimited-voting: 4e6471c8af35dbd4866895c2d40fd22738ccfcebe5feca6dd96d0e9896851ec7 cast-member-ballot name Jonathan_Silverblood address 1NWAbNx9sLceMRVR9E2SzMSVrjWajni21D by jtoomim answer accept
Signature:
H01kXLxb2A3hxYPE+CkeTxDUx8CdM2CamnMKs7u4bd0QftkzXL0DedU8VlOXGJNw6DyOVlQjrwDP25vFyGROT9Q=
This signature is the base64-encoded Bitcoin-signature of the above action string, signed with this action author's Bitcoin address.