{ "$schema": "https://json-schema.org/draft/2020-12/schema", "$id": "#/components/schemas/TransactionRuleEntityKey", "title": "TransactionRuleEntityKey", "properties": { "entityReference": { "description": "The unique identifier of the resource.", "type": "string" }, "entityType": { "description": "The type of resource.\n\nPossible values: **balancePlatform**, **paymentInstrumentGroup**, **accountHolder**, **balanceAccount**, or **paymentInstrument**.", "type": "string" } }, "type": "object" }