Transaction not yet indexed

HCT51EdKfR6Sf5be12Yps2oPBdDwDGoKgCLpLDfeDTkHEumUrXGV4teiV4e187uP11MSUJTQKoW3hsoJqfGBxW2

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