Create a new issuance policy with rules that control minting, verification, or proof-bundle export.
status to DRAFT to save without enforcing, or ACTIVE to begin enforcement immediately.
Each policy contains a set of rules evaluated in order. The first matching rule determines the outcome. If no rule matches, the default_effect applies.
MINT, VERIFY, or BUNDLE_EXPORT.DRAFT, ACTIVE, or DISABLED. Only ACTIVE policies are enforced.json_rules for the built-in JSON rules engine.default_effect.