curl --request POST \
  --url https://api.lava.so/v1/auth/callback \
  --header 'Content-Type: application/json' \
  --data '
{
  "code": "<string>"
}
'

{
  "wallet_id": "<string>",
  "secret_key_id": "<string>",
  "secret_key": "<string>",
  "merchant_id": "<string>"
}