Issues supplying APNs SSL certificate and private key to createPlatformApplication about soto HOT 3 CLOSED

Action=CreatePlatformApplication
&Name=myapp
&Platform=APNS_SANDBOX
&Attributes.PlatformCredential=<private key>
&Attributes.PlatformPrincipal=<ssl certificate>
&Version=2010-03-31

Action=CreatePlatformApplication
&Name=myapp
&Platform=APNS_SANDBOX
&Attributes.entry.1.key=PlatformCredential 
&Attributes.entry.1.value=<private key>
&Attributes.entry.2.key=PlatformPrincipal
&Attributes.entry.2.value=<ssl certificate>
&Version=2010-03-31

    func serializeToFlatDictionary(_ data: Data) throws -> [String: Any] {
        func flatten(dictionary: [String: Any]) -> [String: Any] {
            var flatted: [String: Any] = [:]

            func destructiveFlatten(dictionary: [String: Any]) {
                for (key, value) in dictionary {
                    switch value {
                    case let value as [String: Any]:
                        for iterator in flatten(dictionary: value).enumerated() {
                            switch iterator.element.value {
                            case let value2 as [String: Any]:
                                destructiveFlatten(dictionary: value2)

                            case let values as [Any]: // TODO: values<Element> might be dictionary...
                                for iterator in values.enumerated() {
                                    flatted["\(key).member.\(iterator.offset+1)"] = iterator.element
                                }

                            default:
                                flatted["\(key).entry.\(iterator.offset+1).key"] = iterator.element.key
                                flatted["\(key).entry.\(iterator.offset+1).value"] = iterator.element.value
                            }
                        }
                        
                    case let values as [Any]: // TODO: values<Element> might be dictionary...
                        for iterator in values.enumerated() {
                            flatted["\(key).member.\(iterator.offset+1)"] = iterator.element
                        }

                    default:
                        flatted[key] = value
                    }
                }
            }
            destructiveFlatten(dictionary: dictionary)
            return flatted
        }