Transaction not yet indexed

666RYoaegbtKyZTKJhMxFrMDmxvQp9LbNpGHHxA7N1DpdtdwFetzxAmuPcXLhGLiwBt1kW2ef3bWRZ9FWb64EnFs

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