Assign Item to Bundle

curl --request POST \
  --url https://api.kallabot.com/regulatory/bundles/{bundle_sid}/assign \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "bundle_sid": "RB1234567890abcdef",
  "resource_sid": "EU1234567890abcdef"
}'

{
  "sid": "<string>",
  "bundle_sid": "<string>",
  "object_sid": "<string>",
  "date_created": "2023-11-07T05:31:56Z"
}