'changed' => if the profile picture has changed
null => if the profile picture has not been set (default profile picture)
any other string => url of the profile picture
Optionallid
lid?:string
Optionalname
name?:string
name of the contact, you have saved on your WA
Optionalnotify
notify?:string
name of the contact, the contact has set on their own on WA
Url of the profile picture of the contact
'changed' => if the profile picture has changed null => if the profile picture has not been set (default profile picture) any other string => url of the profile picture