Transaction not yet indexed

421zkMuh8mfmHKjk2jDFVEqFeHz1rvHxnQMMxPWxvJcVz6AMPVRDsTkCp6sSPAnkRYgt4jCKB2eQgiDaBAa8KAMb

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