curl --request POST \
  --url https://api-sandbox.orum.io/deliver/booktransfers \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'Orum-Version: <orum-version>' \
  --data '{
  "book_transfer_reference_id": "<string>",
  "amount": 2,
  "currency": "USD",
  "metadata": {},
  "source": {
    "subledger_reference_id": "<string>"
  },
  "destination": {
    "subledger_reference_id": "<string>"
  }
}'

{
  "book_transfer": {
    "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "created_at": "2023-11-07T05:31:56Z",
    "updated_at": "2023-11-07T05:31:56Z",
    "book_transfer_reference_id": "<string>",
    "amount": 2,
    "currency": "USD",
    "status": "created",
    "status_reasons": [
      {
        "source": {
          "reason_code": "insufficient_funds",
          "reason_code_message": "<string>"
        },
        "destination": {
          "reason_code": "insufficient_funds",
          "reason_code_message": "<string>"
        }
      }
    ],
    "metadata": {},
    "source": {
      "subledger_reference_id": "<string>"
    },
    "destination": {
      "subledger_reference_id": "<string>"
    }
  }
}