RemoveGroupMembers

{
    "groupId": "eb54e96e-21b8-4f54-9cd4-80fccbd06f55",
    "parentId": "70850378-7d3c-4f45-91b7-942d4dfbbd43",
    "userIds": [
        "497f6eca-6276-4993-bfeb-53cbbbba6f08"
    ],
    "memberType": "string"
}