Upload a chunk to a resumable upload session

curl --request POST \
  --url https://api.wazapin.com/v1/channels/{channelID}/resumable-uploads/{uploadSessionID} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "data": "<string>",
  "file_offset": 1
}
'

{
  "data": {
    "media_handle": "<string>"
  }
}