Transaction not yet indexed

421Lk3vy1eLd4NvmJ9FhFtazA5fvYgynA4QuVUPcPEHyMq3efTxE83oJaAn2BV4VWHuWSELVbLoBrM79WMt8KDb2

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