--> POST https://fcm.googleapis.com/fcm/send
D: Content-Type: application/json
D: Content-Length: 176
D: Authorization: key=AAAAiyCrPAY:APA91bEmjtBoO2BPr6M9n9WMAS6gsZXlOMDpJHRd3HN3QVXglp9CA4GXc2qnQTLwyqcmaGi1069LI3ziLcglhzzQtu5lsHKgqjP2WG6dun1k5AoCrmQ1fj0VrmVQlVZ1J07Ck6hsYtcv
D: No-Authentication: true
D: Accept: application/json
D: {
      "dry_run": true,
      "to": "fbXiJ1cRYds:APA91bElAoXRBG9cKMv-Q1LkHoJ_47OMkLEHX8B6AHqXhQX86V5qMPC828ySiYmZT2QrxQL7II1FPyjcfpEZ3yNaWc7vRsN6HtJ55MA_vEshLcOXNWtPYwmrKIvag5DeEZC2-9qev9dR"
    }
D: --> END POST (176-byte body)
D: <-- 200 https://fcm.googleapis.com/fcm/send (283ms)
D: content-type: application/json; charset=UTF-8
D: date: Mon, 24 Feb 2020 05:47:01 GMT
D: expires: Mon, 24 Feb 2020 05:47:01 GMT
D: cache-control: private, max-age=0
D: x-content-type-options: nosniff
D: x-frame-options: SAMEORIGIN
D: x-xss-protection: 1; mode=block
D: server: GSE
D: alt-svc: quic=":443"; ma=2592000; v="46,43",h3-Q050=":443"; ma=2592000,h3-Q049=":443"; ma=2592000,h3-Q048=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000
D: {
      "multicast_id": -1,
      "success": 1,
      "failure": 0,
      "canonical_ids": 0,
      "results": [
        {
          "message_id": "fake_message_id"
        }
      ]
    }
D: <-- END HTTP (106-byte body)