curl --location --request POST 'https://v4test.machpay.com/v4/users \
--header 'X-Client-Id: {{client_id}}' \
--header 'X-Client-Secret: {{client_secret}}' \
--header 'Content-Type: application/json' \
"date_of_birth":"2000-01-01",
"mobile_phone": "9879879870",
"address_line1": "500 El Camino Real Santa Clara",
"user_relationship": "BROTHER",