Non-e2e documented forwarded from non-secret chat
===23===
decryptedMessageMediaExternalDocument#fa95b0dd id:long access_hash:long date:int mime_type:string size:int thumb:PhotoSize dc_id:int attributes:Vector<DocumentAttribute> = DecryptedMessageMedia;| Name | Type | Description | 
|---|---|---|
| id | long | Document ID | 
| access_hash | long | access hash | 
| date | int | Date | 
| mime_type | string | Mime type | 
| size | int | Size | 
| thumb | PhotoSize | Thumbnail | 
| dc_id | int | DC ID | 
| attributes | Vector<DocumentAttribute> | Attributes for media types |