pub fn build_signed_model_pack(
manifest: &ModelPackManifest,
model: &Value,
signing_key: &SigningKey,
) -> Result<Vec<u8>, ModelPackError>pub fn build_signed_model_pack(
manifest: &ModelPackManifest,
model: &Value,
signing_key: &SigningKey,
) -> Result<Vec<u8>, ModelPackError>