user/device token: eOHOsJ-fRyq5fiwoTpB5jT:APA91bFKI9tHzwiHUUP_lNP5ZhndhVVmWHwUiH2eqkS_99UQwUKMTXCRTjQJmnksuvme5Seh-5pKloC77gXu5JuPR6TAIF3I_EipxlpEolDWnC3s9yhX4ZE
{
  "error": {
    "code": 401,
    "message": "Request is missing required authentication credential. Expected OAuth 2 access token, login cookie or other valid authentication credential. See https://developers.google.com/identity/sign-in/web/devconsole-project.",
    "status": "UNAUTHENTICATED",
    "details": [
      {
        "@type": "type.googleapis.com/google.rpc.ErrorInfo",
        "reason": "CREDENTIALS_MISSING",
        "domain": "googleapis.com",
        "metadata": {
          "service": "fcm.googleapis.com",
          "method": "google.firebase.fcm.v1.FcmService.SendMessage"
        }
      }
    ]
  }
}