Transaction not yet indexed

4n21gNUNQAHFpM6m7tvjG1sTkBuNsETKi7oZGSbZ4pMZNSf5NYtwqZijMyZaKZTyo7PEiW35EftqMuJvGRDuSBVc

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