Transaction not yet indexed

5sMZSiTZPEd8B2ocoVcwTL1fZeMeL2EQss5yaVpMLwEngXMMjmwttpSkZFPx5BaSRvP3STQ7hcTZXB8DpoEiFSS1

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