Transaction not yet indexed

NM6UCRvJ2wk9rw4xQxxmkiwZN46wFmBd4QkS4E8ve3JbmTwmp9G1aRtuDRtaEF4PfCuTbAXBNdcFE5PNdefBURx

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