curl --request POST \
--url https://api.sandbox.nevermined.dev/api/v1/protocol/plans/mint \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '
{
"planId": "did:nv:abc123...",
"holderAddress": "0xUserAddress",
"amount": 100
}
'