fun signUp(
        provider: String?,
        email: String?,
        name: String?,
        phone: String?
    ) {
        if (email != null) {
            mixPanelAPI.alias(email, null)
            mixPanelAPI.identify(email)
            mixPanelAPI.people.identify(email)
        } else if (phone != null) {
            mixPanelAPI.alias(phone, null)
            mixPanelAPI.identify(phone)
            mixPanelAPI.people.identify(phone)
        }

        val personProperties = JSONObject()
        personProperties.put("$email", email)
        personProperties.put("\$name", name)
        personProperties.put("\$phone", phone)
        mpProperties.put("provider", provider)
        mixPanelAPI.people.set(personProperties)
        mixPanelAPI.track(EVENTS_TRACKING_SIGN_UP, mpProperties)

        fbProperties.putString("provider", provider)
        fbProperties.putString("\$email", email)
        fbProperties.putString("\$name", name)
        fbProperties.putString("\$phone", phone)
        facebookLogger.logEvent(EVENTS_TRACKING_SIGN_UP, fbProperties)

        clearPropertiesObjects()
    }