Transaction not yet indexed

MNm6GoptaFf4eQnnCcxPoBPkHzpkyumVVFmh5QXaAGfLKnpWhPE56NkEWFXbCpgAp9QCWQSxWTn5sEbB1kwpxS4

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