curl --request POST \
  --url https://demo-api.mobula.io/api/2/pm/auth/derive \
  --header 'Content-Type: application/json' \
  --data '
{
  "signature": "<string>",
  "address": "<string>",
  "timestamp": "<string>",
  "nonce": 123
}
'

{
  "data": {
    "apiKey": "<string>",
    "apiSecret": "<string>",
    "apiPassphrase": "<string>"
  },
  "hostname": "<string>",
  "took": 123
}