Tolerantly parses the policy JSON a server returned at mint. null — never a throw — for an
absent or unusable payload, which the caller treats as "no server policy" and falls back to
resolving the scope locally from code defaults and host declarations.
Tolerantly parses the policy JSON a server returned at mint.
null— never a throw — for an absent or unusable payload, which the caller treats as "no server policy" and falls back to resolving the scope locally from code defaults and host declarations.