Transaction not yet indexed

421SMNzdCWe15gkBMwN63ezUUsho1FckoXrGLPiYPyRdtSB2TkiCEGJbGCdREUaFqJD2hL6KzdLnSPTGxpQqkkWH

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