{"plays":[{"participant_id":"f8e886b6074aa64341c9e83405d5633043477d4a7412daef298e7d9bc80768c3324ba15685c91b11dcc556c65f7cefabc3e30ed9a6b67ecbaf7e63d89e8ba7a0","user_hash":"9975fcf8f29d1e49ed0bfa82764ecfa5","first_name":"M","last_name":"I","track_slug":"foundations-networking","status":"started","challenges_completed":1,"challenges_total":12,"start_time":"2026-11-03T05:16:46Z","end_time":"1970-01-01T00:00:00Z"},{"participant_id":"10b008be41d035216b43306a8168a16d4ef677478fbfaa30dbcc05a5f6f41bbd611b89e2b1f722e167810ba698957a7290677f0ec25c4edef1fe6552ae754f8f","user_hash":"cec9059af064c69fcdb9230b9df36429","first_name":"K","last_name":"C D P","track_slug":"cilium-bgp-advanced","status":"started","challenges_completed":6,"challenges_total":11,"start_time":"2026-11-03T05:11:07Z","end_time":"1970-01-01T00:00:00Z"},{"participant_id":"5f38135079e55c1e6d79abcbdd5819f96191ba06e1da8a46f4bc6cd07de61f7fde8f3bae7b62ae86e9106f0b16440e91819cff839b23d06df9cbc62adf060b4f","user_hash":"e1f5a490954bfe57a0579677161d63d2","first_name":"A","last_name":"M","track_slug":"discovery-cloud-network-engineer","status":"started","challenges_completed":2,"challenges_total":3,"start_time":"2026-11-03T04:39:30Z","end_time":"1970-01-01T00:00:00Z"}]}