Transaction not yet indexed

EX8cuHcD6PScD6M4ksm2Dsoo21w4coaAYwgfEcJGF8CF1hnSQyQ5bVVoSZYAwSLQqKWfxTdM2iV8oSce8kVvq5y

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