Read a file out of the sandbox

{
  "data": "string"
}

{
  "error": "unauthorized",
  "message": "string",
  "signupUrl": "string"
}

{
  "error": "payment_required",
  "message": "string",
  "required": 0,
  "balance": 0,
  "shortfall": 0,
  "topupUrl": "string",
  "type": "string",
  "title": "string",
  "status": 0,
  "detail": "string"
}

{
  "error": "forbidden",
  "message": "string",
  "requiredScope": "string",
  "grantedScopes": [
    "string"
  ]
}

{
  "error": "upstream_error",
  "message": "string",
  "retryable": true
}

{
  "error": "rate_limited",
  "message": "string",
  "retryAfter": 0
}

{
  "error": "upstream_error",
  "message": "string",
  "retryable": true
}

{
  "error": "upstream_error",
  "message": "string",
  "retryable": true
}