Transaction not yet indexed

21AZktUCYpGcAZanViSv5dsGWd1fUQKKVvNwXFCB9PrmrKbHxzftpmtrPHFh1cRF9sru7nd2xiSvbPHvM6JCRvKm

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