{
  "code": 51,
  "class": "Twilio Authorization",
  "subclasses": [
    {
      "code": 0,
      "class": "Authorization",
      "errors": [
        {
          "code": 7,
          "name": "AccessTokenRejected",
          "description": "Token authentication is rejected by authentication service",
          "explanation": "The authentication service has rejected the provided Access Token. To check whether the Access Token is structurally correct, you can use the tools available at https://jwt.io. For the details of Twilio's specific Access Token implementation including the grant format, check https://www.twilio.com/docs/iam/access-tokens."
        }
      ]
    }
  ]
}