curl --request POST \
  --url https://api.meetcampfire.com/coa/api/cost-allocations \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '{
  "lines": [
    {
      "allocation": 123,
      "percentage": 0,
      "account": 123,
      "department": 123
    }
  ],
  "name": "<string>",
  "number": "<string>",
  "account": 123
}'

{
  "id": 123,
  "lines": [
    {
      "id": 123,
      "account_name": "<string>",
      "department_name": "<string>",
      "tags": [
        {
          "id": 123,
          "group_name": "<string>",
          "parent_name": "<string>",
          "parent": 123,
          "is_deleted": false,
          "deleted_at": "2023-11-07T05:31:56Z",
          "name": "<string>",
          "created_at": "2023-11-07T05:31:56Z",
          "last_modified_at": "2023-11-07T05:31:56Z",
          "customer": 123,
          "group": 123
        }
      ],
      "percentage": 0,
      "created_at": "2023-11-07T05:31:56Z",
      "last_modified_at": "2023-11-07T05:31:56Z",
      "customer": 123,
      "account": 123,
      "department": 123
    }
  ],
  "line_count": 123,
  "is_deleted": false,
  "deleted_at": "2023-11-07T05:31:56Z",
  "name": "<string>",
  "number": "<string>",
  "created_at": "2023-11-07T05:31:56Z",
  "last_modified_at": "2023-11-07T05:31:56Z",
  "customer": 123,
  "account": 123
}