[{"id":1,"text":"e-  6253 MeV","data":{"start":[200.0, 300.0, 100.0],"end":[158.2, 300.3, 92.7]},"children":[],"icon":"jstree-file"}, {"id":2,"text":"proton  289 MeV","data":{"start":[200.0, 300.0, 100.0],"end":[186.5, 309.3, 112.6]},"children":[{"id":12,"text":"proton  189 MeV","data":{"start":[186.5, 309.3, 112.6],"end":[179.6, 311.9, 112.1]},"children":[],"icon":"jstree-file"},{"id":13,"text":"proton  32 MeV","data":{"start":[186.5, 309.3, 112.6],"end":[184.8, 308.8, 115.2]},"children":[],"icon":"jstree-file"}]}]