[{"id":1152020,"text":"nu_mu  850 MeV","data":{"start":[53.4, 39.5, 509.2],"end":[-47902.2, -25276.6, 74163.0]},"children":[],"icon":"jstree-file"}, {"id":1152021,"text":"proton  206 MeV","data":{"start":[53.4, 39.5, 509.2],"end":[75.3, 52.8, 518.3]},"children":[],"icon":"jstree-file"}]