Storing Web Pixel gid vs. Using accountID for Fetching Details

Run this to create pixel in production after store installs app
mutation {
  # This mutation creates a web pixel, and sets the accountID declared in shopify.extension.toml to the value 123.
  webPixelCreate(webPixel: { settings: "{\"accountID\":\"123\"}" }) {
    userErrors {
      code
      field
      message
    }
    webPixel {
      settings
      id
    }
  }
}

Here's the response with pixel id
{
  "data": {
    "webPixelCreate": {
      "userErrors": [],
      "webPixel": {
        "settings": "{\"accountID\":\"123\"}",
        "id": "gid://shopify/WebPixel/974913819"
      }
    }
  },
  "extensions": {
    "cost": {
      "requestedQueryCost": 10,
      "actualQueryCost": 10,
      "throttleStatus": {
        "maximumAvailable": 2000,
        "currentlyAvailable": 1990,
        "restoreRate": 100
      }
    }
  }
}