Transaction not yet indexed

21k38wLJAmwvdbm8UniQPbJP3gPmX3AAEBYWTHcwyxqoENViyYS5kZfZvVR37cvNYCF2fkBtW6iN9jV5LMbzAPAk

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