curl --request GET \
  --url http://localhost/api/ledger/{ledger}/transactions/{txid} \
  --header 'Authorization: Bearer <token>'

{
  "data": {
    "timestamp": "2023-11-07T05:31:56Z",
    "postings": [
      {
        "amount": 100,
        "asset": "COIN",
        "destination": "users:002",
        "source": "users:001"
      }
    ],
    "reference": "ref:001",
    "metadata": {},
    "txid": 1,
    "preCommitVolumes": {
      "orders:1": {
        "USD": {
          "input": 100,
          "output": 10,
          "balance": 90
        }
      },
      "orders:2": {
        "USD": {
          "input": 100,
          "output": 10,
          "balance": 90
        }
      }
    },
    "postCommitVolumes": {
      "orders:1": {
        "USD": {
          "input": 100,
          "output": 10,
          "balance": 90
        }
      },
      "orders:2": {
        "USD": {
          "input": 100,
          "output": 10,
          "balance": 90
        }
      }
    }
  }
}