curl --request POST \
  --url http://localhost:4000/v1/users/find-or-create \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "username": "john_doe",
  "address": "0x123abc456def789012345678901234567890abcd",
  "id_x": 1234567890,
  "privy_id": "did:privy:cmflfuqfy004xla0cbguzvtmw",
  "privy_address": "0x456def789012345678901234567890abcdef123"
}
'

{
  "data": {
    "user": {
      "id": "uuid-here",
      "username": "john_doe",
      "address": "0x123...",
      "email": null,
      "created_at": "2025-01-01T00:00:00Z",
      "updated_at": "2025-01-01T00:00:00Z"
    },
    "user_onboarded": {
      "id": "uuid-onboarded",
      "id_mini_app_onboarding": "f47ac10b-58cc-4372-a567-0e02b2c3d479",
      "twitter_handle": "ojolote",
      "id_mini_app": null,
      "id_user": null,
      "id_x": null,
      "created_at": "2025-01-01T00:00:00Z",
      "updated_at": null
    },
    "created": false,
    "on_whitelist": true,
    "disabled": false,
    "onboarded": true,
    "users_onboarded": 100
  },
  "message": "User found successfully",
  "statusCode": 200,
  "path": "users/find-or-create"
}