Transaction not yet indexed

21NtqaEC5nZ2YLiEsiSbsdw1Scve2Tqew9xxizaGSPDa9HRKPdmtyDyHpbffddaGjAVDm4Wp8oHCgiifmtGQyTPP

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