{"plays":[{"participant_id":"03a84956ca088b7b218ea836dd053b3f21007a291397c38d1a71d038e43dbb35e2a18d2d2f85346fa8b3de0ff172a6091eadbcbca65f950a24769ea7de04f9ac","track_slug":"hubble-grafana-golden-signals","status":"started","challenges_completed":0,"challenges_total":8,"start_time":"2026-06-21T04:40:27Z","end_time":"1970-01-01T00:00:00Z"},{"participant_id":"6ea9230f12e5fea23b2c99361b16a077f0930364533d64bf42c37d05b7e61205892ee16c8c2a302ca28f4a505704726e561a0a69934a68d1410292c24abd30ed","track_slug":"discovery-cloud-architect-aws","status":"started","challenges_completed":5,"challenges_total":7,"start_time":"2026-06-21T03:54:40Z","end_time":"1970-01-01T00:00:00Z"}]}