Get Video shares count
https://www.facebook.com/bbcnews/videos/12345678910/
Video id : 10153524838
Page id (see below): 2287356
--> Post id: 2287356_10153524838
GET /v2.5/2287356_10153524838?fields=shares Get Page id
to get the page id, you could query the video element for the from field.
GET /v2.5/10153524838517217?fields=from
