reward.earned

{
  "id": "evt_9f8e7d6c5b4a",
  "type": "reward.earned",
  "created": 1757264400,
  "livemode": false,
  "data": {
    "tokens": 12,
    "merchant": "OPENAI *CHATGPT SUBSCR",
    "card_id": "card_7h2k",
    "user_id": "user_7g8h9i",
    "transaction_id": "txn_3f9a"
  }
}