[
  {
    "id": 1,
    "user_id": 1,
    "subscription": {
      "endpoint": "https://fcm.googleapis.com/fcm/send/dvzjtPj6iBk:APA91bG1V1mgKDk0HxJ1AfShi63ubi7ulhwDemqgmipgfTK6e-OftusEWl9UdZpEOHXo0M89FGlhbGM1QKrKDtKVrCAypTP16pmPcf19NZknc2o_G1DgNqwYA3sCDpigcTxvQQjgOeLt",
      "expirationTime": null,
      "keys": {
        "p256dh": "BPCof3ERNfcME5kExsam6EXalO5VOpXRDmSa2lDjco1M84sJl7Fk3Fqa7eXsjDLTsRV6UMBWi-EmSdS8eXbQM_w",
        "auth": "91ijWi4NlaImtZ6G1itxag"
      }
    },
    "created_at": "2026-07-21T14:39:54.008726+00:00"
  }
]