curl --location --request GET 'https://api.openai.com/v1/assistants/asst_abc123/files/file-abc123' \
--header 'Authorization: Bearer $OPENAI_API_KEY"' \
--header 'OpenAI-Beta: assistants=v1' \
--header 'Content-Type: application/json'
{
"id": "string",
"object": "string",
"created_at": 0,
"assistant_id": "string"
}