[nuxt] [request error] [unhandled]Nuxt3 - Firebase privateKey => [500] Failed to parse private key: TypeError: Cannot read properties of undefined (reading 'privateKeyFromPem')

[ffNone]

server/api/firebase.js
`
import * as admin from "firebase-admin";
import serviceAccount from "./admin.json";

export default defineEventHandler(async (event) => {
console.log(serviceAccount) // It's alright, printing everything correctly

serviceAccount.private_key = serviceAccount.private_key.replace(/\n/g, '\n'); // Tried before without .replace()

if (!admin.apps.length) {
admin.initializeApp({
credential: admin.credential.cert(serviceAccount),
});
}

return "Done!";
});

`

Error :
"url": "/api/firebase",
"statusCode": 500,
"statusMessage": "",
"message": "Failed to parse private key: TypeError: Cannot read properties of undefined (reading 'privateKeyFromPem')",

### I already tried 
     - npm install firebase-admin@latest
     - npm install firebase@latest
     - rm -rf .nuxt/ node_modules/.cache
     - npm audit fix --force