Constructs a message that, when send to Replicator, will perform a subscription of provided subscriber actor to any changes performed on the provided key. All changes will be send in form of a Changed message to the subscriber.

public static Subscribe Subscribe<T>(
	IKey<T> key,
	IActorRef subscriber
)
where T : IReplicatedData

static member Subscribe : 
        key : IKey<'T> * 
        subscriber : IActorRef -> Subscribe  when 'T : IReplicatedData