curl --location --request POST 'https://your-api-server.com' \
--header 'x-topic;' \
--header 'x-signature-256;' \
--header 'x-generated-at;' \
--header 'x-sent-at;' \
--header 'x-payload-key;' \
--header 'Content-Type: application/json' \
--data-raw '{
"k_service": "5000001533",
"s_service": "Advanced Personal Training",
"is_bookable": true,
"meta_data": {
"topic": "appointment.updated",
"operation": "updated",
"source": "appointment",
"date": "2025-01-20T20:10:00Z",
"version": 1
}
}'