curl --request GET \
  --url https://lab.trustos.telefonicatech.com/cert/v2/providers \
  --header 'Authorization: Bearer <token>'

{
  "statusCode": 200,
  "message": "Available providers",
  "data": {
    "providers": [
      {
        "name": "Hyperledger Besu",
        "networkId": 1004
      }
    ]
  }
}