Network error: NanoGPT TEE/gemma4-31b: error sending request for url (https://api.nano-gpt.com/v1/tee/attestation?model=TEE%2Fgemma4-31b&nonce=fd3011e2ad0af86643ac10d1bd58fe8648b845d8dc4616a19fd7d06c9c11a82b)