curl https://test.oppwa.com/v1/registrations \
-d "entityId=8a8294184e736012014e78a1b1da15d3" \
-d "card.number=4200000000000000" \
-d "card.holder=Jane Jones" \
-d "card.expiryMonth=05" \
-d "card.expiryYear=2021" \
-H "Authorization: Bearer OGE4Mjk0MTg0ZTczNjAxMjAxNGU3OGExN2E2YTE1YjB8ZjJGRUtacXRCUA=="