def json_response
  json_with_indifferent_access JSON.parse response.body
end

def json_with_indifferent_access(json)
  traverse_json(json) {|j| j.is_a?(Hash) ? j.with_indifferent_access : j }
end

def traverse_json(json, &block)
  x = case json
      when Hash
        json.map { |j| traverse_json j, &block }.to_h
      when Array
        json.map { |j| traverse_json j, &block }
      else
        json
      end
  block.call x
end