{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "type": "object",
  "additionalProperties": false,
  "required": [
    "event_id",
    "tenant_id",
    "currency",
    "amount_minor",
    "occurred_at",
    "entity_version",
    "schema_version"
  ],
  "properties": {
    "event_id": {
      "type": "string",
      "minLength": 1,
      "maxLength": 128
    },
    "tenant_id": {
      "type": "string",
      "minLength": 1,
      "maxLength": 128
    },
    "currency": {
      "type": "string",
      "pattern": "^[A-Z]{3}$"
    },
    "amount_minor": {
      "type": "integer",
      "minimum": -9007199254740991,
      "maximum": 9007199254740991
    },
    "occurred_at": {
      "type": "string",
      "format": "date-time"
    },
    "entity_version": {
      "type": "integer",
      "minimum": 1
    },
    "schema_version": {
      "const": 1
    }
  }
}