I am looking for the same solution. Up to now I have managed to create this sitemap. It is not perfect because it adds some parts of numbers to emails and web addresses but better than nothing. If anyone can improve it I would appreciate it.
{"_id":"facebookpagestemplate","startUrl":["https://www.facebook.com/nsuase.sibstrin","https://www.facebook.com/nsuem.rus","https://www.facebook.com/NSUFlorida","https://www.facebook.com/nsuheadoffice","https://www.facebook.com/nsuniv","https://www.facebook.com/nsuniversity.official","https://www.facebook.com/NSURiverHawks","https://www.facebook.com/nta.isny","https://www.facebook.com/NTCManila","https://www.facebook.com/nthu.tw","https://www.facebook.com/ntnu.no","https://www.facebook.com/NTNU.Taiwan","https://www.facebook.com/NTPU1949","https://www.facebook.com/ntu.edu.iq","https://www.facebook.com/ntu.xpi","https://www.facebook.com/ntuanews1017","https://www.facebook.com/NTUB1917"],"selectors":[{"id":"pagetitle","multiple":false,"parentSelectors":["_root"],"regex":"","selector":"span.ircgss63,span.kcqno65y","type":"SelectorText"},{"id":"likes","multiple":false,"parentSelectors":["_root"],"regex":"","selector":"a.rtxb060y.innypi6y:nth-of-type(1),div.jcxyg2ei:nth-of-type(4) span.b6ax4al1","type":"SelectorText"},{"id":"followers","multiple":false,"parentSelectors":["_root"],"regex":"","selector":"a.rse6dlih:nth-of-type(2),div:nth-of-type(5) .t7p7dqev span.k1z55t6l.pbevjfx6","type":"SelectorText"},{"id":"address","multiple":false,"parentSelectors":["_root"],"regex":"","selector":"div.f36a8esv","type":"SelectorText"},{"id":"phone","multiple":false,"parentSelectors":["_root"],"regex":"\\(?\\+[0-9]{1,3}\\)? ?-?[0-9]{1,3} ?-?[0-9]{3,5} ?-?[0-9]{4}( ?-?[0-9]{3})? ?(\\w{1,10}\\s?\\d{1,6})?","selector":"div.svm27lag","type":"SelectorText"},{"id":"email","multiple":false,"parentSelectors":["_root"],"regex":"(?:[a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:\\.[a-z0-9!#$%&'*+/=?^_`{|}~-]+)*|\"(?:[\\x01-\\x08\\x0b\\x0c\\x0e-\\x1f\\x21\\x23-\\x5b\\x5d-\\x7f]|\\\\[\\x01-\\x09\\x0b\\x0c\\x0e-\\x7f])*\")@(?:(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?|\\[(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?|[a-z0-9-]*[a-z0-9]:(?:[\\x01-\\x08\\x0b\\x0c\\x0e-\\x1f\\x21-\\x5a\\x53-\\x7f]|\\\\[\\x01-\\x09\\x0b\\x0c\\x0e-\\x7f])+)\\])","selector":"div.svm27lag","type":"SelectorText"},{"id":"website","multiple":false,"parentSelectors":["_root"],"regex":"https?:\\/\\/(www\\.)?[-a-zA-Z0-9@:%._\\+~#=]{1,256}\\.[a-zA-Z0-9()]{1,6}\\b([-a-zA-Z0-9()@:%_\\+.~#?&//=]*)","selector":"div.svm27lag","type":"SelectorText"},{"id":"pagelogourl","multiple":false,"parentSelectors":["_root"],"selector":".lcfup58g a.o9erhkwx","type":"SelectorLink"},{"id":"pagecoverphotourl","multiple":false,"parentSelectors":["_root"],"selector":".nuz1ool1.lq84ybu9 img.bdao358l","type":"SelectorImage"},{"id":"about","multiple":false,"parentSelectors":["_root"],"regex":"","selector":".km253p1d > div.p8bdhjjv:contains(\"About\"),div[data-pagelet='ProfileTilesFeed_0']:contains(\"Intro\")","type":"SelectorText"}]}