Retrieve a wallet by ID

{  "id": "943254a2-0240-4414-bede-c0d211340c53",  "external_customer_id": "5eb02857-a71e-4ea2-bcf9-1753842358",  "status": "ACTIVE",  "available_balance": {    "value": 3,    "currency_code": "USD"  },  "ongoing_usage": {    "value": 0,    "currency_code": "USD"  },  "net_balance": {    "value": 3,    "currency_code": "USD"  },  "name": "Prepaid",  "rate_amount": "1.0",  "available_credits": "3.0",  "consumed_credits": "0.0",  "ongoing_usage_credits": "0.0",  "net_balance_credits": "3.0",  "created_at": "2025-07-30T20:13:18Z",  "expiration_at": "2026-10-08T00:00:00Z",  "applies_to": {    "fee_types": [      "SUBSCRIPTION",      "CHARGE",      "COMMITMENT"    ]  },  "recurring_transaction_rules": [    {      "trigger": "INTERVAL",      "method": "TARGET",      "interval": "WEEKLY",      "started_at": "2025-07-01T17:30:15Z",      "expiration_at": "2026-10-08T00:00:00Z",      "target_ongoing_balance": "200.0"    }  ]}