Transaction not yet indexed

121Z91mkgTdDCKJLKmcFKYUmQuT7wRU5doVb2sLqoBb5Dh4etCTnS9gbmoawukUbRDV1RyK8cJ5iFeoP5UieNgaV

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