beaconcommitteesubscriber

type Service interface {
	// Subscribe subscribes to beacon committees for a given epoch.
	Subscribe(ctx context.Context,
		epoch phase0.Epoch,
		accounts map[phase0.ValidatorIndex]e2wtypes.Account,
	) (map[phase0.Slot]map[phase0.CommitteeIndex]*Subscription, error)
}

type Subscription struct {
	Duty         *api.AttesterDuty
	IsAggregator bool
	Signature    phase0.BLSSignature
}