curl --request POST \
  --url https://studio.edgeimpulse.com/v1/api/organizations/{organizationId}/custom-block/finalize \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "uploadKey": "<string>",
  "fileName": "<string>",
  "fileSize": 123,
  "fileHash": "<string>",
  "blockId": 123
}
'

{
  "success": true,
  "id": 12873488112,
  "error": "<string>"
}