blockIdstring required
BlockID is id of the entity being subscribed to
createAtinteger required
CreatedAt is the timestamp this subscription was created
deleteAtinteger required
DeleteAt is the timestamp this subscription was deleted, or zero if not deleted
notifiedAtinteger required
NotifiedAt is the timestamp of the last notification sent for this subscription
subscriberIdstring required
SubscriberID is the id of the entity that is subscribing
subscriberTypestring required
workspaceIdstring required
WorkspaceID is id of the workspace the block belongs to