Alexa notify on parsed MQTT JSON payload

automations.yaml

- id: 'whatever'
  alias: Valid SMS for gate
  description: Announces sender of a valid gate trigger
  trigger:
  - platform: mqtt
    topic: twilio/sms
    payload: true
    value_template: '{{ value_json.Gate_Auth }}'
  condition: []
  action:
  - service: notify.persistent_notification
    data_template:
      message: '{{ trigger.payload }}'
      title: Twilio SMS
  - service: notify.alexa_media
    data_template:
      target:
      - media_player.echo_dot
      data:
        method: all
        type: announce
      message: SMS Request to open gate from {{ trigger.payload_json["Gate_Name"] }}
  mode: single