curl --request POST \
--url https://rewardservice.withbenji.com/reward_transaction/auth \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '
{
"transaction_amount": 123,
"external_transaction_id": "<string>",
"campaign_id": 123,
"partner_id": 123
}
'