Notification (with GIF/video) to telegram works as expected, notification to companion app does not

I get receive the video in telegram as i expect, however in the android companion app, it just shows up sans video.
This works (notify.me is a telegram notification)

data:
  data:
    video:
      - caption: >-
          Currently {{ states.sensor.dark_sky_temperature.state }}F & High of {{
          states.sensor.dark_sky_daytime_high_temperature_0d.state }}F

          Now: {{ states.sensor.dark_sky_minutely_summary.state }} 

          Today: {{ states.sensor.dark_sky_hourly_summary.state }}
        url: >-
          https://my.example.url/new_denver.gif
  message: ''
service: notify.me

This shows up as a blank message. Does come to the phone, with the message, but nothing else:

service: notify.mobile_app
data:
  data:
    video:
      - caption: >-
          Currently {{ states.sensor.dark_sky_temperature.state }}F & High of {{
          states.sensor.dark_sky_daytime_high_temperature_0d.state }}F

          Now: {{ states.sensor.dark_sky_minutely_summary.state }} 

          Today: {{ states.sensor.dark_sky_hourly_summary.state }}
        url: >-
          https://my.example.url/new_denver.gif
  message: 'Today:'