Transaction not yet indexed

MRd6MdhbLdU8wRgHUb2eMqWgsY4guQFPXMBJh8ypvtm9GUZSN378WM1Q8KQLyv1e4EVDCxAPmmypEGqVSE4L3hk

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