curl --location '/SOAP?service=LoginService' \
--header 'SOAPAction: urn:EasyIPLibrary-LoginService#RequestUsername' \
--header 'Content-Type: text/xml; charset=utf-8' \
--data '<?xml version="1.0" encoding="utf-8"?>
<soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">
<soap:Body>
<tns:LoginService___RequestUsername xmlns="http://tempuri.org/">
<tns:EmailAddress>string</tns:EmailAddress>
</tns:LoginService___RequestUsername>
</soap:Body>
</soap:Envelope>'<?xml version="1.0" encoding="utf-8"?>
<soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">
<soap:Body>
<tns:LoginService___RequestUsernameResponse xmlns="http://tempuri.org/"/>
</soap:Body>
</soap:Envelope>