Transaction not yet indexed

1CU3FMvrRwG2KuMkxNMGknCZU5Lw41QdPJEq5ZdYujN7EMGrw35b6R4SydAKf8QL3ZhtFeYD42QCHPLewkKLDLJ

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