curl --request POST \
  --url https://api.superdoc.dev/v1/verify \
  --header 'Content-Type: application/json' \
  --data '{
  "document": {}
}'

{
  "valid": true,
  "reason": "<string>",
  "signer": "<any>",
  "signers": [
    "<any>"
  ],
  "document": {}
}