Transaction not yet indexed

21TzQQkAXPF9QJ1FsQ9joSz3AiufibXdiJMEpC4yEn8FGtsiVs6D9b46YATNuXzSfk4vQsVG7xEDRdGHjq2XUp46

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