curl --request GET \
  --url https://api.smokeball.com/matters/{matterId}/roles \
  --header 'Authorization: <api-key>' \
  --header 'x-api-key: <api-key>'

{
  "id": "<string>",
  "href": "<string>",
  "relation": "<string>",
  "method": "GET",
  "self": {
    "id": "<string>",
    "href": "<string>",
    "relation": "<string>",
    "method": "GET"
  },
  "versionId": "832e778f-83df-454a-b344-768a862a7e67",
  "matterId": "b471682e-fa17-4e46-b7fe-9b2b8fdcb3c2",
  "roles": [
    {
      "href": "<string>",
      "relation": "<string>",
      "method": "GET",
      "self": {
        "id": "<string>",
        "href": "<string>",
        "relation": "<string>",
        "method": "<string>"
      },
      "id": "009f778f-83df-454a-b344-768a862a7e55",
      "name": "Client",
      "contact": {
        "id": "<string>",
        "href": "<string>",
        "relation": "<string>",
        "method": "<string>"
      },
      "representatives": [
        {
          "id": "<string>",
          "href": "<string>",
          "relation": "<string>",
          "method": "<string>"
        }
      ],
      "relationships": [
        {
          "href": "<string>",
          "relation": "<string>",
          "method": "GET",
          "self": {
            "id": "<string>",
            "href": "<string>",
            "relation": "<string>",
            "method": "<string>"
          },
          "id": "009f778f-83df-454a-b344-768a862a7e55",
          "name": "Solicitor",
          "contact": {
            "id": "<string>",
            "href": "<string>",
            "relation": "<string>",
            "method": "<string>"
          },
          "representatives": [
            {
              "id": "<string>",
              "href": "<string>",
              "relation": "<string>",
              "method": "<string>"
            }
          ]
        }
      ],
      "isClient": false,
      "isOtherSide": false
    }
  ]
}