PMC:4627622 / 4718-4720 JSONTXT

{"project":"TEST0","denotations":[{"id":"26512021-130-136-1479082","span":{"begin":0,"end":2},"obj":"[\"18395192\"]"}],"text":"21"}

{"project":"2_test","denotations":[{"id":"26512021-18395192-60534724","span":{"begin":0,"end":2},"obj":"18395192"}],"text":"21"}