def verify_chatwork_webhook_signature!(token = nil)
      ChatworkWebhookVerify.verify!(
        token:     token,
        body:      request.env["rack.input"].read,
        signature: request.headers["X-ChatWorkWebhookSignature"] || params[:chatwork_webhook_signature],
      )
    rescue ChatworkWebhookVerify::InvalidSignatureError, ::ArgumentError
      raise ActionController::BadRequest, "signature is invalid"
    end
def verify_chatwork_webhook_signature!(token = nil)
      ChatworkWebhookVerify.verify!(
        token:     token,
        body:      request.env["rack.input"].read,
        signature: request.headers["X-ChatWorkWebhookSignature"] || params[:chatwork_webhook_signature],
      )
    rescue ChatworkWebhookVerify::InvalidSignatureError, ::ArgumentError
      raise ActionController::BadRequest, "signature is invalid"
    end
@param token     [String] webhook token (default: `ChatworkWebhookVerify.config.token`)

 @raise [ActionController::BadRequest] signature is invalid