curl --request POST \
  --url https://api-dev.narrative.io/authentication/exchange-token \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "company_id": 123
}
'

{
  "user": {
    "id": 10,
    "name": "First Last",
    "role": "partner_admin",
    "company_id": 100,
    "company_name": "ACME Corp"
  },
  "api_token": {
    "access_token": "OI2Sfun5GnOS9zk0irkc3w==",
    "access_token_expires_in": 1000,
    "refresh_token": "yZYCdZrvHvlnEQw9/C640Q",
    "refresh_token_expires_in": 10000
  },
  "legacy_token": "legacy-dsm-token"
}