Where Is the Subscription Key Mentioned in the Intel® Software Guard Extensions (Intel® SGX) Attestation API Spec?

1. Attempting to use the Intel® SGX Attestation Service API Utilizing Intel® EPID-based remote attestation.
2. Signed into the Trusted Services Portal
3. Subscribed for DEV access using the Linkable or Unlinkable links in EPID Attestation
4. Received SPID, Primary Key, and Secondary Key

Unable to determine which is the Subscription Key referenced in the Intel® SGX Attestation Service API Spec.

The Subscription keys are the Primary and Secondary keys listed under Subscription name Product DEV Intel® Software Guard Extensions Attestation Service in the DEV subscription portal.