curl --request POST \
  --url https://api.us.lexful.app/v1/assets/{assetTypeName}/{assetId}/files \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'X-Account-ID: <api-key>' \
  --data '
{
  "name": "<string>",
  "original_name": "<string>",
  "file_extension": "<string>",
  "mime_type": "<string>",
  "size": 1,
  "property_name": "<string>",
  "is_public": false,
  "data": {}
}
'

{
  "file": {
    "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "organization_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "name": "<string>",
    "original_name": "<string>",
    "file_extension": "<string>",
    "mime_type": "<string>",
    "size": 123,
    "is_public": true,
    "s3_key": "<string>",
    "entity_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "asset_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "property_name": "<string>",
    "indexable": true,
    "created_at": "2023-11-07T05:31:56Z",
    "updated_at": "2023-11-07T05:31:56Z",
    "created_by": "<string>",
    "updated_by": "<string>",
    "data": {},
    "s3_meta": {
      "etag": "<string>",
      "content_length": 123,
      "content_type": "<string>",
      "content_encoding": "<string>",
      "content_disposition": "<string>",
      "last_modified": "<string>"
    }
  },
  "presignedUploadUrl": "<string>"
}