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: 9139498685e653fc405cb1e2a1281af8b03f43491027a72a7ba31366d9d018e8 proposal-upload file e2805c67b7eda4781f3386ca27500cd3a6bde5203cf329828963d450bb922d76 by solex
Signature:
INyFTzzMRSCyAM6f9xU1ZThSK1+6okoOVbNn09RdCkWfbwphvPzhJ40qdT+KaK7eFsjC+hgRI73f2eR/+tYUGNo=
This signature is the base64-encoded Bitcoin-signature of the above action string, signed with this action author's Bitcoin address.