Create a list group permission

{
	"listGroup": {
		"listid": 19,
		"groupid": 1
	}
}

{
    "listGroup": {
        "list": 19,
        "group": 1,
        "links": {
            "list": "https://account.api-us1.com/api/3/listGroups/55/list",
            "group": "https://account.api-us1.com/api/3/listGroups/55/group"
        },
        "id": "55"
    }
}