curl --location --request POST 'api.velosms.com/api/partners/viber-conversations/messages' \
--header 'Accept: application/json' \
--header 'Authorization: Bearer <token>' \
--form 'SenderId=""' \
--form 'ChatId=""' \
--form 'ToPhoneNumber=""' \
--form 'Message=""' \
--form 'Attachment=@""' \
--form 'CampaignId=""'{}