curl --request GET \
  --url https://tonapi.io/v2/liteserver/get_transactions/{account_id}

{
  "ids": [
    {
      "workchain": 4294967295,
      "shard": "800000000000000",
      "seqno": 30699640,
      "root_hash": "131D0C65055F04E9C19D687B51BC70F952FD9CA6F02C2801D3B89964A779DF85",
      "file_hash": "A6A0BD6608672B11B79538A50B2204E748305C12AA0DED9C16CF0006CE3AF8DB"
    }
  ],
  "transactions": "131D0C65055F04E9C19D687B51BC70F952FD9CA6F02C2801D3B89964A779DF85"
}