Transaction not yet indexed

21STFaa6Jne8owL72QbKexLnLT7UhjeAkBNQMX57A4mKom4YVUQEkyhfTXqU4KNYPv4488ZtvUUTGFYFuCtgrvbk

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