OP_RETURN-nostr #Todo Starting bitcoind bitcoind -zmqpubraw -zmqpubrawblock=tcp://127.0.0.1:28332 -zmqpubhashtx=tcp://127.0.0.1:28332 -zmqpubhashblock=tcp://127.0.0.1:28332 -zmqpubsequence=tcp://127.0.0.1:28332