Transaction not yet indexed

SMtz1tRnm3udNWkGKbPHwxMyVGMMitFDgHVwRDG6wyKYTdHoBx7U5qYHgaiXFSWSS2uqb32qLahtaxKLJ7yAsog

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