Transaction not yet indexed

u3M6utaKAXKJ87xK1Z11SdgMarkZXUHqWFkURwj81bTyuPDrmhhhDQbciRgDjwspRRBaSNbwFnM7teXNHdfMZY3

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