Transaction not yet indexed

MGDon86i8LkJHciSPTcaNqezGwWBZJE6w477AzL6VYWM8KxRNf3Z4bKkjoVQKRNAmtNjH2Q8JoNZYajgqTvSVAP

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