Authorization: ********************curl --location 'https://api.neucron.io/v1/subscription/request' \
--header 'Authorization: <api-key>' \
--header 'Content-Type: application/json' \
--data '{
"business_id": "string",
"plan_id": "string",
"provider": "MANUAL"
}'{
"message": "string",
"url": "string"
}