Transaction not yet indexed

21b6izhrvUxWGi5UHtQrZGWLkQdgFtVNE5MrRkeSCSui5TMQbEkPhDaBdHVFAQMQzAZ3sJuwbmcvbSX5kSpcHjnV

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