Geotrigger API does not support Japanese (2 byte) characters in a push notification.
Last Published: March 31, 2015ArcGIS Geotrigger Service
Bug ID Number
February 27, 2015
June 11, 2020
ArcGIS Geotrigger Service
Operating System Version
In Product Plan
The issue has been added to the development team's backlog. The goal for issues with this status is to address them in a near-term release (next release or two). Check the issue's Additional Information or Alternate Solution section to see if there is helpful information until it can be fully addressed.