* @brief subscribe to all signals in the vector signals
*
* @param[in] afb_req request : contain original request use to subscribe or unsubscribe
* @param[in] subscribe boolean value used to chose between a subscription operation or an unsubscription
* @brief subscribe to all signals in the vector signals
*
* @param[in] afb_req request : contain original request use to subscribe or unsubscribe
* @param[in] subscribe boolean value used to chose between a subscription operation or an unsubscription