Fired after verification of the signed message.
KeyId is the Id of the key used to sign the message. It is the hex-encoded, 4-or 8-byte Id of the key. It is the same as the last 4 or 8 bytes of the Fingerprint. For instance:
Status holds the result of the operation. Possible values are:
|2||The required key could not be found|
|3||Verification succeeded but the key is expired.|