{
  "data": {
    "organizationId": "yourOrganizationId",
    "organizationUserGroupId": "yourGroupId",
    "userIds": ["yourUserId1"]
  }
}

{
  "result": {
    "status": "success",
    "message": "Added organization users to group successfully.",
    "data": {
      "yourUserId1": {
        "success": true,
        "organizationUserGroupId": "yourGroupId",
        "message": "User added to organization user group."
      }
    }
  }
}

{
  "error": {
    "message": "ERROR_MESSAGE",
    "status": "INVALID_ARGUMENT"
  }
}