An action is any change submitted to the voting system, such as
The author of this action is: Griffith, 1Pcpj8sR5adRNMi8rZ1Zi7rg6GPqcmFHAz
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 cast-proposal-ballot vote 493383b1b582a31388c01eafb38f5a20b8f769813edef427d946b9373082cdbe by Griffith answer (reject) # proposal: BUIP103
Signature:
H9vMfVlnSSfdnXbk5D2UOflu6vi7o/Nwluq1YLddEZ3QQEGEavGpcPzT/uyZ7cKAzeCBe/X5Du/gMeoR0iR7zMY=
This signature is the base64-encoded Bitcoin-signature of the above action string, signed with this action author's Bitcoin address.