The original array of objects ended up not being correctly reduced, but understood as objects.

[shuiRong]

Original in project

 "features": [
                {
                    "title": "Unlimited chatbots"
                },
                {
                    "title": "2,000,000 characters/month"
                }
]

Final restoration results

 "features": {
        "0": {
          "title": "Unlimited chatbots"
        },
        "1": {
          "title": "2,000,000 characters/month"
        }
}