Transaction not yet indexed

21CSfCwHKtVfg3ZFe2UUArRpiZ3YY8g7d9vSvDU7Z7y98AxMrEtbXXFRgTCurE8xyx4DVyYw64UkMrqkuYR48nRz

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.