URI Executing on SHELL not with Ansible YAML Task

[Ume]

I need help with Converting Following URI to Ansible Task which is failing

curl -k1 -u admin:admin  -X POST https://10.10.2.3/wapi/v2.11.5/fileop?_function=getgriddata -H "Content-Type: application/json" -d {"type": "BACKUP"}"

How to specify {"type":  "BACKUP"}

    uri:

      url: "https://{{ nios_provider.host }}/wapi/v2.11.5/fileop?_function=getgriddata"

      method: POST

      user: "{{ infoblox_username }}"

      password: "{{ infoblox_password }}"

      force_basic_auth: yes

      headers:

        Content-Type: "application/json"

      body: '{"file_name":"{{ backup_dest }}"}'

      body_format: json

      status_code: 200

      validate_certs: no

    register: backup_result