PMC:4694192 / 19273-19275 JSONTXT

{"project":"TEST0","denotations":[{"id":"26597805-131-137-1693998","span":{"begin":0,"end":2},"obj":"[\"8715849\"]"}],"text":"20"}

{"project":"2_test","denotations":[{"id":"26597805-8715849-64143626","span":{"begin":0,"end":2},"obj":"8715849"}],"text":"20"}