{"name":"GW190818_232544","grace_id":"","run":"O3a","gcn_notice":null,"gcn_circular":null,"aliases":["GW190818_232544"],"versions":[{"version":1,"catalog":"IAS-O3a","detail_url":"https://gwosc.org/api/v2/event-versions/GW190818_232544-v1?format=json"}]}