{"plays":[{"participant_id":"65dd23ad951be576634b1c8f1829499bf0aad204179640b1f20ed5fccaf6c0beae8ab712da190a2405f2c800bcffcf7ae7583b62bf05d6ed8e9bdf0d0bfffff9","user_hash":"51ef893cf7a69907d87031430d57fcf4","first_name":"J","last_name":"M","track_slug":"ebpf-networking","status":"started","challenges_completed":3,"challenges_total":9,"start_time":"2026-11-02T13:32:09Z","end_time":"1970-01-01T00:00:00Z"},{"participant_id":"81691cb416154b17dc7415b42f37e2f31e63bdb8107f55bc435608060a753fa36c64b7645f833cd174894f1766dd2b0f2897f4269c7793911e7185a6bcb6609a","user_hash":"4c7867cab73dae6354331c9d74aa1f62","first_name":"C","last_name":"H","track_slug":"foundations-networking","status":"started","challenges_completed":4,"challenges_total":12,"start_time":"2026-11-02T11:45:34Z","end_time":"1970-01-01T00:00:00Z"},{"participant_id":"d56cd17f68a312604fcb07e32b6ab613215ead37469edbc20a8f74a9ee361f8de66a5bc39eff811e4beaa0dc9e6270ad57830cbfd472ac0664743c39ae9734ef","user_hash":"5113d092e8bf1a7b91d7a066b64f734b","first_name":"B","last_name":"G","track_slug":"tetragon-splunk","status":"started","challenges_completed":0,"challenges_total":5,"start_time":"2026-11-02T13:32:18Z","end_time":"1970-01-01T00:00:00Z"}]}