def index
      query = params.fetch(:q) { nil }

      respond_to do |format|
        format.json do
          render json: AudienceList.call(person: current_user, query: query)
        end
      end
    end
def index
      query = params.fetch(:q) { nil }

      respond_to do |format|
        format.json do
          render json: AudienceList.call(person: current_user, query: query)
        end
      end
    end
GET /audience_lists