Get the name service for the environment and chain

curl --request GET \
  --url https://app.dynamicauth.com/api/v0/environments/{environmentId}/nameService/{chainName}

{
  "id": "95b11417-f18f-457f-8804-68e361f9164f",
  "address": "0xbF394748301603f18d953C90F0b087CBEC0E1834",
  "domain": "An example name",
  "enabledAt": "2023-11-07T05:31:56Z"
}