{"charge":{"amount_cents":14400000,"charge_id":"energy","determinants":{"rounding":"line_item","unrounded_usd":"144000"},"formula":"sum(interval kWh * USD/MWh / 1000); half-up cents per line_item","kind":"fixed_energy","quantity":"2880000","rate":"5E+1","source_ids":["contract","meter"],"unit":"kWh"},"derivation_manifest_sha256":"00f380bef4b658a5300253b05cc83b32ae37d3dc101b0e7cdf9dd6c60f48188a","schema_version":"contract-billing-audit-line-v1"}