Retrieves an user

curl --request GET \
  --url https://api.rootly.com/v1/users/{id} \
  --header 'Authorization: Bearer <token>'

{
  "data": {
    "id": "501",
    "type": "users",
    "attributes": {
      "name": "Graham DuBuque",
      "email": "gustavo_fay@gerlach.example",
      "phone": null,
      "phone_2": null,
      "first_name": "Graham",
      "last_name": "DuBuque",
      "full_name": "Graham DuBuque",
      "full_name_with_team": "[Boyer-Gottlieb] Graham DuBuque",
      "slack_id": null,
      "time_zone": "UTC",
      "updated_at": "2025-08-15T07:16:53.983-07:00",
      "created_at": "2025-08-15T07:16:53.376-07:00"
    },
    "relationships": {
      "email_addresses": {
        "data": [
          {
            "id": "4ff26de1-727d-46bb-9eba-30ce97315231",
            "type": "user_email_addresses"
          }
        ]
      },
      "phone_numbers": {
        "data": []
      },
      "devices": {
        "data": []
      },
      "role": {
        "data": {
          "id": "d4d78c8a-dcb4-42e6-b8d4-e47e83a67e63",
          "type": "roles"
        }
      },
      "on_call_role": {
        "data": {
          "id": "6962dda6-0ee7-41ec-a0be-bb79aa830e64",
          "type": "on_call_roles"
        }
      }
    }
  }
}