curl --request GET \
  --url https://sandbox.layerfi.com/v1/businesses/{businessId}/tags/dimensions/key/{dimensionKey} \
  --header 'Authorization: Bearer <token>'

{
  "data": {
    "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "key": "<string>",
    "defined_values": [
      {
        "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
        "key": "<string>",
        "value": "<string>",
        "type": "TagValue",
        "display_name": "<string>",
        "archived_at": "2023-11-07T05:31:56Z"
      }
    ],
    "created_at": "2023-11-07T05:31:56Z",
    "updated_at": "2023-11-07T05:31:56Z",
    "type": "com.layerfi.routers.ApiTagDimension",
    "display_name": "<string>",
    "deleted_at": "2023-11-07T05:31:56Z"
  }
}