use placeholder for JSON text field
use placeholder for JSON text field

airbnb/zendesk_api_client_rb,zendesk/zendesk_api_client_rb,airbnb/zendesk_api_client_rb,jademcgough/zendesk_api_client_rb,devpuppy/zendesk_api_client_rb,airbnb/zendesk_api_client_rb,devpuppy/zendesk_api_client_rb