Transaction not yet indexed

SF6mNp1ott7fNiSVtD3aDpsEph8JhPEKFBE2dD2opcazfiFdEXrTKwsmfuMd9jdwF4a8SHRMzZzzStjSsAx3iuQ

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