avatar_id and upload_url. To complete the creation,upload_urlcurl --location --request POST 'http://dev-cn.your-api-server.com/api/v1/avatars/new' \
--header 'Content-Type: application/json' \
--data-raw '{
"user_id": "<put-user-id-here>"
}'{
"avatar_id": "ceaabbd8-6fdf-460c-878c-7d0ae67338c0",
"upload_url": "string"
}