{"name":"GW240621_214041","grace_id":"S240621em","run":"O4b","gcn_notice":"https://gcn.gsfc.nasa.gov/notices_l/S240621em.lvc","gcn_circular":"https://gcn.nasa.gov/circulars?query=S240621em","aliases":["GW240621_214041"],"versions":[{"version":1,"catalog":"GWTC-5.0","detail_url":"https://gwosc.org/api/v2/event-versions/GW240621_214041-v1?format=json"}]}