{"plays":[{"participant_id":"029cf28e472dcea1347f0fc4aa0c0843176fcaa31adcdb5cb8d25c4a2c9f476025d8483bc7b483e728909195eeb8cb660a77f0876b3513ad9b27ccda74daf84e","user_hash":"b07e373b13a207de3f324ae600613ddc","first_name":"B","last_name":"S","track_slug":"cilium-up-and-running","status":"started","challenges_completed":1,"challenges_total":15,"start_time":"2026-07-19T15:22:58Z","end_time":"1970-01-01T00:00:00Z"}]}