PMC:5836413 / 7975-7977 JSONTXT

{"project":"TEST0","denotations":[{"id":"29278895-69-75-1630832","span":{"begin":0,"end":2},"obj":"[\"3902852\"]"}],"text":"28"}

{"project":"2_test","denotations":[{"id":"29278895-3902852-63230615","span":{"begin":0,"end":2},"obj":"3902852"}],"text":"28"}