Transaction not yet indexed

21us2pZ7hsaHTNY2brArPCSUbjghUBq3yaCpHYcfqjvB7tnhcaTxqLGoMQZ4tndbUSSjisVVmHtZ2pXBoZFTN5N8

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