Network error: NanoGPT TEE/gemma4-31b: error sending request for url (https://api.nano-gpt.com/v1/tee/attestation?model=TEE%2Fgemma4-31b&nonce=3e1ac6bbca2d426809c9b6c31200a5c4b7604b0dd53b8fd522816f86817c2626)