Transaction not yet indexed

21mUgumd3aHEAa25fcFkSQFWa3NVuToDPxAxkTcs7NPSqkNcqCoBWArNLeidM5HpHvzdK5ouN8SmcvMJFmCeMUNc

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