Transaction not yet indexed

5c21nbSAt4qWdjGVfr58xB8QD7hiCtpM7fGE261cNsw2WBdAJXYaWT2wHdcMKnQNrfodRWhxAT9nzyTL7Tdn2Afm

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