{"release":"Rel-19","nodes":[{"number":"29.581","type":"TS","title":"5G System; Multicast/Broadcast Service Transport Services; Stage 3","series":29,"status":"Under change control","initial_release":"Rel-17","primary_group":"C4","portal_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=4024"}],"edges":[]}