No payload receiving with rest_command

Configuration
1

I don’t receive the payload on the url. I tried post & get, i tried different variables and methods. Can anyone please assist? I’m trying to post values from KNX power usage to my server. I receive the call on my server but without the values/payload.

rest_command:
  my_request:
    url: 'https://xxxxxxx/ijskarwebhook.php'
    method: POST
    payload: '{
    "state": "idle",
    "attributes": {
      "fan_mode": "auto",
      "operation_mode": "idle"
      }
    }'
    headers:
      accept: 'application/json, text/html'
      content_type:  'application/json; charset=utf-8'
    verify_ssl: true

automation:
  - alias: 'Test fire url'
    trigger:
      platform: time_pattern
      minutes: '/1'
    action:
      - service: rest_command.my_request
        data:
          status: "At Work"
          emoji: ":calendar:"