curl -X PUT 'https://api.nuntly.com/agents/aB3dE7fG/memory' \
  -H 'Authorization: Bearer apk_xxx' \
  -H 'Content-Type: application/json' \
  -d '{"memory":{}}'

{
  "data": {
    "id": "<string>",
    "createdAt": "<string>",
    "agentId": "<string>",
    "inboxId": "<string>",
    "threadId": "<string>",
    "memory": {},
    "summary": "<string>",
    "updatedAt": "<string>"
  }
}