How to bulk add IP addresses to DigitalOcean firewall?

do-bulk-ip-add-firewall.sh

#!/bin/bash

# Author: Akhil Jalagam
# update TOKEN, FIREWALL NAME, IP addresses and then run the script

TOKEN=dfjvbidvbasb4l5tu45hvu46vgl45h6vl
FIREWALL_NAME=internalaccess
curl -X POST -H "Content-Type: application/json" \
-H "Authorization: Bearer $TOKEN" \
-d \
'{
  "name": "'$FIREWALL_NAME'",
  "inbound_rules": [
    {
      "protocol": "tcp",
      "ports": "all",
      "sources": {
        "addresses": [
          "196.112.47.128/29",
          "196.112.43.128/29"
        ]
      }
    },
    {
      "protocol": "udp",
      "ports": "all",
      "sources": {
        "addresses": [
          "196.112.47.128/29",
          "196.112.43.128/29"

        ]
      }
    },
    {
      "protocol": "icmp",
      "sources": {
        "addresses": [
          "0.0.0.0/0",
          "::/0"
        ]
      }
    }
  ],
  "outbound_rules": [
    {
      "protocol": "icmp",
      "destinations": {
        "addresses": [
          "0.0.0.0/0",
          "::/0"
        ]
      }
    },
    {
      "protocol": "tcp",
      "ports": "all",
      "destinations": {
        "addresses": [
          "0.0.0.0/0",
          "::/0"
        ]
      }
    },
    {
      "protocol": "udp",
      "ports": "all",
      "destinations": {
        "addresses": [
          "0.0.0.0/0",
          "::/0"
        ]
      }
    }
  ]
}' "https://api.digitalocean.com/v2/firewalls/"