Transaction not yet indexed

MTSEULBuLCNANvyDBiJB6LvzdQ3ARkwh2cJdLE7563hRo1GbAPdU5RGcFUSJQChjr9kGUZDSd41zQSm3Rf9HQcZ

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