curl --request POST \
  --url https://api.mnemom.ai/v1/agents/{agent_id}/notifications/webhook \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "webhook_url": "<string>",
  "consumer_id": "<string>",
  "expires_at": "2023-11-07T05:31:56Z"
}
'

{
  "subscription_id": "<string>",
  "webhook_url": "<string>",
  "secret": "<string>",
  "expires_at": "2023-11-07T05:31:56Z"
}