Checksum is the key manager master secret verification checksum.
OptionalgenerationGeneration is the generation of the latest master secret.
ID is the runtime ID of the key manager.
IsInitialized is true iff the key manager is done initializing.
IsSecure is true iff the key manager is secure.
Nodes is the list of currently active key manager node IDs.
Policy is the key manager policy.
Optionalrotation_RotationEpoch is the epoch of the last master secret rotation.
OptionalrskRSK is the runtime signing key of the key manager.
Status is the current key manager status.