Transaction not yet indexed

MNG6tjncyRGpCqxffi2TUSsFryZjTCuSVari9BNEPDnR2Se5JVt3A4w6eiJdCbQb1V4SGVuY2FsdmqL3QDG3KJg

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