How to give json data in the args section?

Getting error " mapping values are not allowed in this context" while having workflow as given below
<
on: push
jobs:
curl:
runs-on: ubuntu-latest
steps:
- name: curl
uses: wei/curl@master
with:
args: -vvf -uxxxxxxxxxxxxxxxxxxxxx -H "Content-Type: application/json" -X POST https://api.bintray.com/packages/chiju/rpms/openssh/versions --data '{"name": "7.6", "github_use_tag_release_notes": false }'