Revise plan or quantity of subscription

{
  "plan_id": "stringstringstringstringst",
  "quantity": "string",
  "shipping_amount": {
    "currency_code": "str",
    "value": "string"
  },
  "shipping_address": {
    "name": {
      "full_name": "string"
    },
    "email_address": "string",
    "phone_number": {
      "country_code": "str",
      "national_number": "string"
    },
    "type": "SHIPPING",
    "options": [],
    "address": {
      "address_line_1": "string",
      "address_line_2": "string",
      "admin_area_2": "string",
      "admin_area_1": "string",
      "postal_code": "string",
      "country_code": "st"
    }
  },
  "plan": {
    "billing_cycles": [
      {
        "pricing_scheme": {
          "version": 0,
          "fixed_price": {
            "currency_code": "str",
            "value": "string"
          },
          "pricing_model": "VOLUME",
          "tiers": [
            {
              "starting_quantity": "string",
              "ending_quantity": "string",
              "amount": {
                "currency_code": "str",
                "value": "string"
              }
            }
          ],
          "create_time": "stringstringstringst",
          "update_time": "stringstringstringst"
        },
        "sequence": 1,
        "total_cycles": 0
      }
    ],
    "payment_preferences": {
      "auto_bill_outstanding": true,
      "setup_fee": {
        "currency_code": "str",
        "value": "string"
      },
      "setup_fee_failure_action": "CONTINUE",
      "payment_failure_threshold": 0
    },
    "taxes": {
      "percentage": "string",
      "inclusive": true
    }
  },
  "plan_overridden": true,
  "links": [
    {
      "href": "string",
      "rel": "string",
      "method": "GET"
    }
  ]
}

{
  "name": "INVALID_REQUEST",
  "message": "Request is not well-formed, syntactically incorrect, or violates schema.",
  "debug_id": "string",
  "links": [],
  "details": [
    {
      "issue": "INVALID_PARAMETER_SYNTAX",
      "description": "The value of a field does not conform to the expected format."
    }
  ]
}

{
  "name": "AUTHENTICATION_FAILURE",
  "message": "Authentication failed due to missing authorization header, or invalid authentication credentials.",
  "debug_id": "string",
  "links": [],
  "details": [
    {
      "issue": "INVALID_ACCOUNT_STATUS",
      "description": "Account validations failed for the user."
    }
  ]
}

{
  "name": "NOT_AUTHORIZED",
  "message": "Authorization failed due to insufficient permissions.",
  "debug_id": "string",
  "links": [],
  "details": [
    {
      "issue": "PERMISSION_DENIED",
      "description": "You do not have permission to access or perform operations on this resource."
    }
  ]
}

{
  "name": "RESOURCE_NOT_FOUND",
  "message": "The specified resource does not exist.",
  "debug_id": "string",
  "links": [],
  "details": [
    {
      "issue": "INVALID_RESOURCE_ID",
      "description": "Requested resource ID was not found."
    }
  ]
}

{
  "name": "UNPROCESSABLE_ENTITY",
  "message": "The requested action could not be performed, semantically incorrect, or failed business validation.",
  "debug_id": "string",
  "links": [],
  "details": [
    {
      "issue": "USER_ACCOUNT_CLOSED",
      "description": "User account locked or closed."
    }
  ]
}

{
  "name": "INTERNAL_SERVER_ERROR",
  "message": "An internal server error occurred.",
  "debug_id": "90957fca61718",
  "links": [
    {
      "href": "https://developer.paypal.com/api/orders/v2/#error-INTERNAL_SERVER_ERROR",
      "rel": "information_link"
    }
  ]
}

{
  "name": "INVALID_REQUEST",
  "message": "Request is not well-formed, syntactically incorrect, or violates schema.",
  "details": [
    {
      "field": "string",
      "value": "string",
      "location": "body",
      "issue": "string",
      "description": "string"
    }
  ],
  "debug_id": "string",
  "links": []
}