Envelope.fromclass method

Hydrates an instance of Envelope from given data.

Envelopefromhint, encoded-envelopeenvelope

name	type	description
hint	`String`	Conversion hint. See `convert`.
encoded-envelope	`String` `Uint8Array`	Data representation of a `Envelope` instance.
envelope	`Envelope`	`Envelope` instance corresponding to `data`.