curl --request PUT \
  --url http://localhost:3001/api/admin/subscription-groups/assignments \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "workspaceId": "<string>",
  "userUpdates": [
    {
      "userId": "<string>",
      "changes": {}
    }
  ]
}
'

"<string>"