curl --request GET \
  --url https://api.onchainden.com/api/v1/members/{memberId} \
  --header 'Authorization: Bearer <token>'

{
  "data": {
    "id": "mem_123",
    "name": "Alice",
    "type": "user",
    "walletAddress": "0xabc...",
    "createdAt": "2023-11-07T05:31:56Z",
    "updatedAt": "2023-11-07T05:31:56Z"
  }
}