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: ba0411a9e0c7f210c553a4272e3d1fb78bad93c5a59d6f8ae566287f151921ad proposal-upload file dea6a70b6ca67f5216e02624abceb8037f1d022e0649119a0705678a503edd5f by solex
Signature:
Hx+8bq1vjV3uFXNr2YM12U1MBYlzwn2/dxrL9QAKBZP6b6m1sVzVQ0+i+858i+CXXvvZG24TNTazovZ3hn6GrRo=
This signature is the base64-encoded Bitcoin-signature of the above action string, signed with this action author's Bitcoin address.