curl --request PUT \
  --url https://api.mn.co/admin/v1/networks/{network_id}/custom_fields/{custom_field_id}/options/{id}/ \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "title": "Blue",
  "description": "Select this if blue is your favorite color"
}'

{
  "id": "1234",
  "created_at": "2025-11-18T17:56:35+00:00",
  "updated_at": "2025-11-18T17:56:35+00:00",
  "title": "Blue",
  "description": "Select this if blue is your favorite color",
  "custom_field_id": 123,
  "member_count": 123,
  "is_ad_hoc": true,
  "creator_id": 123
}