{
  "id": "EngagementPayment",
  "title": "EngagementPayment",
  "type": "object",
  "additionalProperties": false,
  "properties": {
    "transactionId": {
      "type": "string"
    },
    "subscriptionId": {
      "type": "string"
    },
    "error": {
      "anyOf": [
        {"type": "boolean"},
        {"type": "string"}
      ]
    },
    "amountPaid": {
      "type": "string"
    },
    "paidAt": {
      "type": "number"
    }
  },
  "required": [
    "error"
  ]
}