[
{
"transaction_id": "tx_001",
"user": {
"id": "user_A",
"name": "Alice",
"email": "alice@example.com"
},
"items": [
{"item_id": "item_X", "price": 10.00, "quantity": 1},
{"item_id": "item_Y", "price": 5.50, "quantity": 2}
],
"total_amount": 21.00,
"timestamp": "2023-10-26T10:30:00Z"
},
{
"transaction_id": "tx_002",
"user": {
"id": "user_B",
"name": "Bob",
"email": "bob@example.com"
},
"items": [
{"item_id": "item_Z", "price": 25.00, "quantity": 1}
],
"total_amount": 25.00,
"timestamp": "2023-10-26T11:00:00Z"
}
]