EntitlementFrom returns the RpnEntitlement represented by entitlementOrStateJson. `did` is the device identifier to use for this entitlement, if applicable; and `rpnProviderID` is the RPN provider for this entitlement, if applicable. `rpnProviderID` is the RPN provider to use with this entitlement (
(entitlementOrStateJson []byte, rpnProviderID, did string)
source not stored for this graph (policy: none)
no outgoing calls