Importing with Multiverse Id

{"ops":[{"insert":"Hi! Just a quick question, why am I unable to import my collection with the multiverse id?\ncsv looks like that: \nQUANTITY,MULTIVERSE ID\n1,1176\n1,1187\n1,1721\n1,1832\n1,1917\n1,1930\n1,1932\n1,2022\n1,2052\n1,2075\n3,2096\n"}]}