OlmPlaintextPayload.fromJson constructor
Implementation
factory OlmPlaintextPayload.fromJson(Map<String, Object?> json) =>
    OlmPlaintextPayload(
      sender: json.tryGet('sender', TryGet.required),
      type: json.tryGet('type', TryGet.required),
      content: json.tryGetMap('content', TryGet.required),
      recipient: json.tryGet('recipient', TryGet.required),
      recipientKeys: json.tryGetMap('recipient_keys', TryGet.required),
      keys: json.tryGetMap('keys', TryGet.required),
    );