Is anyone able to use Relay-Tester (https://github.com/mikedilger/relay-tester) from  nostr:npub1acg6thl5psv62405rljzkj8spesceyfz2c32udakc2ak0dmvfeyse9p35c? I keep getting `Error: NostrTypes(Bech32Decode(Parse(Char(InvalidChar('b')))))` even for nsec generated by its own generator. 
 nostr:npub1acg6thl5psv62405rljzkj8spesceyfz2c32udakc2ak0dmvfeyse9p35c can you help?