{"plays":[{"participant_id":"b2c92fdf11e05367fbbd68cc1e930fc1597682031bdb7640bb08d110732be900836ebc304bb277069a4c76c40b71d241931918e99c549e1855d6ad1db027717e","user_hash":"91ca2589fe811453e0c23e1d48ed1adb","first_name":"N","last_name":"H","track_slug":"cilium-lb-ipam-bgp","status":"started","challenges_completed":4,"challenges_total":7,"start_time":"2026-07-15T17:16:06Z","end_time":"1970-01-01T00:00:00Z"},{"participant_id":"0ccc4aaa4cee6c8efb3fbce4a4970f675a5898ac4d77e10bf563fc0632fd666593a9ca2e9b696aabafebccdcbc8df3b50cf5faff8cedb89b9b50684bb383a008","user_hash":"4bf20ff434f0b0bc278c139fa96356c3","first_name":"J","last_name":"C","track_slug":"tetragon-splunk","status":"started","challenges_completed":0,"challenges_total":5,"start_time":"2026-07-15T17:44:54Z","end_time":"1970-01-01T00:00:00Z"}]}