{"plays":[{"participant_id":"6a915bd14cabbad73b7889b71a4a85fae794a3bdd11d7d0e3dd50017c236c3cedc6dccc30cb667c1840ce91ce7fb2a899e451fc0e0548db9a079589512e5fcf8","user_hash":"88b82509930c6f264fc6e12c56d84b0a","first_name":"S","last_name":"P","track_slug":"foundations-networking","status":"started","challenges_completed":4,"challenges_total":12,"start_time":"2026-07-17T04:33:25Z","end_time":"1970-01-01T00:00:00Z"},{"participant_id":"94b512ad03b9345b55047689fef054b49abdf77f863142e6af470cb89cafca003704597c4a0b3b396d2c4ca444b4bffacf2960749cdd20d461d6e4c8ae05678a","user_hash":"0e3ab69124f098df109c3c4c2daf7f81","first_name":"A","last_name":"L G","track_slug":"cilium-gitops","status":"started","challenges_completed":1,"challenges_total":13,"start_time":"2026-07-17T04:43:42Z","end_time":"1970-01-01T00:00:00Z"}]}