class Seatsio::ChartsClient

def copy_to_subaccount(chart_key, subaccount_id) 

def copy_to_subaccount(chart_key, subaccount_id)
  url = "charts/#{chart_key}/version/published/actions/copy-to/#{subaccount_id}"
  response = @http_client.post url
  Chart.new(response)
end