Firebase のプッシュ通知をcurlで実行 ref: https://qiita.com/MTattin/items/e6ebb18ec620ed89425e

file0.txt

curl \
--header "Authorization: key=ご自身のAPI_KEY" \
--header Content-Type:"application/json" \
https://fcm.googleapis.com/fcm/send \
-d "{
  \"to\" : \"/topics/何か適当に\", 
  \"time_to_live\" : 0,
  \"restricted_package_name\" : \"bundle id\",
  \"notification\" : {
    \"sound\" : \"default\",
    \"badge\" : \"1\",
    \"body_loc_key\" :\"KEY_ID\",
    \"body_loc_args\" : [\"置き換え文字\"],
    \"title_loc_key\" : \"TTL_KEY_ID\",
    \"title_loc_args\" :　[\"置き換え文字\"], 
  }
}"