curl --request GET \
  --url https://spectrum.photon.codes/projects/{projectId}/users/{userId}/

{
  "succeed": true,
  "data": {
    "id": "<string>",
    "projectId": "<string>",
    "firstName": "<string>",
    "lastName": "<string>",
    "email": "<string>",
    "phoneNumber": "<string>",
    "assignedPhoneNumber": "<string>",
    "meta": {},
    "createdAt": "<string>"
  }
}