{"plays":[{"participant_id":"0a7b035560b776f1d57e0d421398a56c2064a09dcb179742d3acedcd18bffaa2baf00c29faec4c0b326c07d017d691cb6c38ab9d39b211f62b594818decaf19d","user_hash":"202d818a42f2c2951ef8bf599af6896f","first_name":"M","last_name":"M","track_slug":"ebpf-getting-started","status":"started","challenges_completed":0,"challenges_total":6,"start_time":"2026-07-15T20:49:46Z","end_time":"1970-01-01T00:00:00Z"},{"participant_id":"3ed310e668e9ddc48827804f826ad2a064e3c3679687e550489453c4911b6be3fd349bbbace920a5d7393d11bb6aba078796e42d30f980b547f0311486af380b","user_hash":"8077f554eeadd67ce5f4d5022ebcd562","first_name":"P","last_name":"I","track_slug":"cilium-bgp","status":"started","challenges_completed":4,"challenges_total":6,"start_time":"2026-07-15T20:33:12Z","end_time":"1970-01-01T00:00:00Z"},{"participant_id":"c391694bdbbeb5fd8ebe40b358237ae53d601e2c6bd188c59a06c2bcd7da32089b10418b7bea61fb39941a26713ad228b0e699e164c91d91376f45fae4752e3d","user_hash":"c0991dc2e26de081ac2aefd14db587f4","first_name":"M","last_name":"M","track_slug":"hubble-grafana-golden-signals","status":"started","challenges_completed":6,"challenges_total":8,"start_time":"2026-07-15T19:56:09Z","end_time":"1970-01-01T00:00:00Z"}]}