Transaction not yet indexed

MfEFqFUnNJ1sntcJrhmqdDbN2EZWg55VvwvmVvLr2NS479RnteGxPUbFGGpNK6ujdouVShmdg4kvHyrQ12P8Hd7

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