{
  "customer": {
    "id": "string",
    "externalId": "string",
    "email": "string",
    "name": "string",
    "birthdayMonth": "number",
    "birthdayDay": "number",
    "referralUrl": "string",
    "pointBalance": "number",
    "currentLoyaltyTier": {
      "id": "string",
      "title": "string"
    },
    "createdAt": "string",
    "updatedAt": "string"
  },
  "reward": {
    "id": "string",
    "type": "PointActivity | ReferralReward | CustomerLoyaltyTierEntryReward | StampCardReward",
    "couponCode": "string"
  }
}