Transaction not yet indexed

YKUcKYiZ2dfW7tvRdYWRaD8iH8TYj6dzpUqdsyrVbKrLVtdunAAeeBE8EfHs9fCT3TUiD9GrdXnEXNf7aViBcn3

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