An action is any change submitted to the voting system, such as
The author of this action is: solex, 15TiujYmnHa33fjEnasBBm1eWcGx9YEXPL
The member list that this action was made for.
The action string, which is the actual "command" part of the action:
bitcoin-unlimited-voting: 9292b29e143f36fbb8b4366811b9ba699d99f334daa3b2a1a9906eb008c4c6b0 proposal-upload file dc0c3439c54fcbba4a52b9a317317ae3e0caf1a1e77cc43752e2bf99f524e7fa by solex
Signature:
IMmkwXLfSem/QNpkc9eX6KK7LfH79+8ZV1LBNv0uT+a1NPbV/k+WhvZagG7r6HhRCtjGiFi7nB/hhofI9pMW/wM=
This signature is the base64-encoded Bitcoin-signature of the above action string, signed with this action author's Bitcoin address.