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: be3c66388058cc34d9e899e516e8ed808b294bb3d567008f12727ed5d8b5e3c0 open-proposal-vote meta 93b70fac6dc54d6a8edbd85a8afc98ad029fc029d1949176198bbf381de4b2f3 by solex method (buip-acc-rej-abs)
Signature:
H/w8R0PxlIAYRcvgrfNsombTpuqL8XbpL//GCKnVKUjORHVstezCkrazkQ6pskGeADvZfSyYb+J56e80knOoPNg=
This signature is the base64-encoded Bitcoin-signature of the above action string, signed with this action author's Bitcoin address.