curl --request DELETE \
  --url https://{base_url}/v1/app/project/{projectId}/member/{userId}

{
  "id": "<string>",
  "role": "Viewer",
  "user": {
    "id": "<string>",
    "org_id": "<string>",
    "account_id": "<string>",
    "name": "<string>",
    "email": "<string>",
    "state": "Active",
    "roles": [
      "AppGuest"
    ],
    "created_at": "<string>",
    "profile_picture": "<string>",
    "job_position_name": "<string>",
    "job_position_description": "<string>"
  },
  "is_project_member": true
}