Can be `checking`, `savings` or `other`.
{ "$schema": "https://json-schema.org/draft/2020-12/schema", "$id": "#/components/schemas/external_account_type", "title": "external_account_type", "type": "string", "enum": [ "base_wallet", "cash", "checking", "crypto_wallet", "ethereum_wallet", "general_ledger", "loan", "non_resident", "other", "overdraft", "polygon_wallet", "savings", "solana_wallet" ], "description": "Can be `checking`, `savings` or `other`." }