curl --request POST \
  --url https://{instance}.domo.com/api/identity/v1/users \
  --header 'Content-Type: application/json' \
  --header 'X-DOMO-Developer-Token: <api-key>' \
  --data '
{
  "displayName": "John Doe",
  "emailAddress": "john.doe@example.com",
  "roleId": 1
}
'

{
  "id": 123456,
  "displayName": "John Doe",
  "userName": "john.doe@example.com",
  "emailAddress": "john.doe@example.com",
  "roleId": 1,
  "attributes": [
    {
      "key": "department",
      "values": [
        "Engineering",
        "Product"
      ]
    }
  ]
}