Transaction not yet indexed

UCKc6eefK16d1mFdd6ErXKNztXjUhz4FAUJqBb3wssj6wvpcfewPkoNmrB8QT2GeK26CggDbCz3HxFPCiZhT6m6

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