HTTP/2 404 
vary: X-Origin
vary: Referer
vary: Origin,Accept-Encoding
content-type: application/json; charset=UTF-8
date: Wed, 10 Dec 2025 15:55:24 GMT
server: scaffolding on HTTPServer2
x-xss-protection: 0
x-frame-options: SAMEORIGIN
x-content-type-options: nosniff
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
accept-ranges: none

{
  "error": {
    "code": 404,
    "message": "Requested entity was not found.",
    "status": "NOT_FOUND",
    "details": [
      {
        "@type": "type.googleapis.com/google.firebase.fcm.v1.FcmError",
        "errorCode": "UNREGISTERED"
      }
    ]
  }
}
<br>HTTP/2 404 
vary: X-Origin
vary: Referer
vary: Origin,Accept-Encoding
content-type: application/json; charset=UTF-8
date: Wed, 10 Dec 2025 15:55:24 GMT
server: scaffolding on HTTPServer2
x-xss-protection: 0
x-frame-options: SAMEORIGIN
x-content-type-options: nosniff
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
accept-ranges: none

{
  "error": {
    "code": 404,
    "message": "Requested entity was not found.",
    "status": "NOT_FOUND",
    "details": [
      {
        "@type": "type.googleapis.com/google.firebase.fcm.v1.FcmError",
        "errorCode": "UNREGISTERED"
      }
    ]
  }
}
<br>HTTP/2 404 
vary: X-Origin
vary: Referer
vary: Origin,Accept-Encoding
content-type: application/json; charset=UTF-8
date: Wed, 10 Dec 2025 15:55:24 GMT
server: scaffolding on HTTPServer2
x-xss-protection: 0
x-frame-options: SAMEORIGIN
x-content-type-options: nosniff
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
accept-ranges: none

{
  "error": {
    "code": 404,
    "message": "Requested entity was not found.",
    "status": "NOT_FOUND",
    "details": [
      {
        "@type": "type.googleapis.com/google.firebase.fcm.v1.FcmError",
        "errorCode": "UNREGISTERED"
      }
    ]
  }
}
<br>HTTP/2 404 
vary: X-Origin
vary: Referer
vary: Origin,Accept-Encoding
content-type: application/json; charset=UTF-8
date: Wed, 10 Dec 2025 15:55:25 GMT
server: scaffolding on HTTPServer2
x-xss-protection: 0
x-frame-options: SAMEORIGIN
x-content-type-options: nosniff
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
accept-ranges: none

{
  "error": {
    "code": 404,
    "message": "Requested entity was not found.",
    "status": "NOT_FOUND",
    "details": [
      {
        "@type": "type.googleapis.com/google.firebase.fcm.v1.FcmError",
        "errorCode": "UNREGISTERED"
      }
    ]
  }
}
<br>HTTP/2 404 
vary: X-Origin
vary: Referer
vary: Origin,Accept-Encoding
content-type: application/json; charset=UTF-8
date: Wed, 10 Dec 2025 15:55:25 GMT
server: scaffolding on HTTPServer2
x-xss-protection: 0
x-frame-options: SAMEORIGIN
x-content-type-options: nosniff
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
accept-ranges: none

{
  "error": {
    "code": 404,
    "message": "Requested entity was not found.",
    "status": "NOT_FOUND",
    "details": [
      {
        "@type": "type.googleapis.com/google.firebase.fcm.v1.FcmError",
        "errorCode": "UNREGISTERED"
      }
    ]
  }
}
<br>HTTP/2 400 
vary: X-Origin
vary: Referer
vary: Origin,Accept-Encoding
content-type: application/json; charset=UTF-8
date: Wed, 10 Dec 2025 15:55:25 GMT
server: scaffolding on HTTPServer2
x-xss-protection: 0
x-frame-options: SAMEORIGIN
x-content-type-options: nosniff
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
accept-ranges: none

{
  "error": {
    "code": 400,
    "message": "The registration token is not a valid FCM registration token",
    "status": "INVALID_ARGUMENT",
    "details": [
      {
        "@type": "type.googleapis.com/google.firebase.fcm.v1.FcmError",
        "errorCode": "INVALID_ARGUMENT"
      }
    ]
  }
}
<br>HTTP/2 403 
vary: X-Origin
vary: Referer
vary: Origin,Accept-Encoding
content-type: application/json; charset=UTF-8
date: Wed, 10 Dec 2025 15:55:25 GMT
server: scaffolding on HTTPServer2
x-xss-protection: 0
x-frame-options: SAMEORIGIN
x-content-type-options: nosniff
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
accept-ranges: none

{
  "error": {
    "code": 403,
    "message": "SenderId mismatch",
    "status": "PERMISSION_DENIED",
    "details": [
      {
        "@type": "type.googleapis.com/google.firebase.fcm.v1.FcmError",
        "errorCode": "SENDER_ID_MISMATCH"
      }
    ]
  }
}
<br>