Retrieves an user

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

{
  "data": {
    "id": "517",
    "type": "users",
    "attributes": {
      "name": "Gladys Morissette",
      "email": "vennie_gibson@rosenbaum-crist.example",
      "phone": null,
      "phone_2": null,
      "first_name": "Gladys",
      "last_name": "Morissette",
      "full_name": "Gladys Morissette",
      "full_name_with_team": "[Franecki-Smitham] Gladys Morissette",
      "slack_id": null,
      "time_zone": "UTC",
      "updated_at": "2025-09-04T12:43:58.031-07:00",
      "created_at": "2025-09-04T12:43:57.549-07:00"
    },
    "relationships": {
      "email_addresses": {
        "data": [
          {
            "id": "97bd7156-c81c-4fbb-acae-a77edac96891",
            "type": "user_email_addresses"
          }
        ]
      },
      "phone_numbers": {
        "data": []
      },
      "devices": {
        "data": []
      },
      "role": {
        "data": {
          "id": "c79751a0-8c17-4ac9-b95d-7652157d2ddb",
          "type": "roles"
        }
      },
      "on_call_role": {
        "data": {
          "id": "4e7c70e8-e64b-4d34-841f-5bf042a15595",
          "type": "on_call_roles"
        }
      }
    }
  }
}