fromClient
fun fromClient(user_id: QualifiedIDEntity, id: String, device_type: DeviceTypeEntity?, is_valid: Boolean, is_verified: Boolean, client_type: ClientTypeEntity?, registration_date: <Error class: unknown class>?, label: String?, model: String?, lastActive: <Error class: unknown class>?, mls_public_keys: Map<String, String>?, is_mls_capable: Boolean): Client