Transaction not yet indexed

MxNLb97Qt4WXATqYC9FuT6TE7L1TsmteFdCvX5AE6bTQB9Sj5NG2YrgTRgwVhpYdjHymga2gXDfvzVNPT2WET78

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