a = {
"room": {
"80-c4-48-84-79": " Federal research and production center ",
"73-b3-49-af-9d": " dgru",
"04-d2-45-86-6a": "Main",
"d0-51-41-bf-4f": " Publications",
"c5-3c-4d-83-4f": " news",
"7d-ae-46-a0-25": "Contacts",
"8f-01-4b-81-4e": "Certification center",
"56-32-40-82-1a": "1959",
"27-63-47-b9-1c": "2019",
"a7-34-46-b8-38": " Moscow",
"42-29-4c-bb-df": " text",
"67-8b-47-b1-34": "example"
}
}
d = new Map(Object.keys(a.room).map(x=>[x, a.room[x]]))
либо пишите рекурсивную функцию если нужно пройтись по вложенным объектам:
var remap = x=>new Map(Object.keys(x).map(y=>[y,(typeof(x[y])=="object")?remap(x[y]):x[y]]))