Transaction not yet indexed

1SU2Ta7LczbaFSFqU9p4UpJ7eTgF32fLV6vYmc4F8d3mKGhp2GhRyypLq9Ze9JfnJwWjnitLDsAPiBk8XaLbSnk

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