async fn signature_distributor(
final_sig_receiver: Receiver<FinalSigQueueItem>,
deposit_finalize_sender: Vec<Sender<VerifierDepositFinalizeParams>>,
agg_nonce: impl Future<Output = Result<(AggregatedNonce, AggregatedNonce), Status>>,
) -> Result<(), BridgeError>Expand description
Reroutes aggregated signatures to the caller. Also sends 2 aggregated nonces to the verifiers.