Get Credential

{
  "id": "497f6eca-6276-4993-bfeb-53cbbbba6f08",
  "user_id": "a169451c-8525-4352-b8ca-070dd449a1a5",
  "type": "email",
  "value": "string",
  "validated": true,
  "preferred": true,
  "active": true,
  "metadata": {},
  "created_at": "2019-08-24T14:15:22Z",
  "created_by": "ee824cad-d7a6-4f48-87dc-e8461a9201c4",
  "modified_at": "2019-08-24T14:15:22Z",
  "modified_by": "e8d4374d-93a1-4e98-a6c6-fdcf00c5059f"
}

{
  "status": 400,
  "message": "Invalid user input",
  "code": "users_m.invalid_user_input",
  "class": "validation"
}

{
  "status": 401,
  "message": "Unauthorized",
  "code": "common.unauthorized",
  "class": "business"
}

{
  "status": 403,
  "message": "No access to the record",
  "code": "common.rbac_no_rec_access",
  "class": "business"
}

{
  "status": 404,
  "message": "Credential not found",
  "code": "users_m.credential_not_found",
  "class": "business"
}

{
  "status": 500,
  "message": "Internal server error",
  "code": "common.server_error",
  "class": "business"
}