Transaction not yet indexed

ui91BJpm2YYACUSsaHCe2sH668kY9FAj5hb37CH1Lc8qCHymLgKfxPg4Xx8Lh3MgLz9JQmheV2ESJ1bSsqHzhGT

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