{"tiers":[{"upToUsd":10,"percent":0.49},{"upToUsd":50,"percent":0.39},{"upToUsd":100,"percent":0.29},{"upToUsd":500,"percent":0.19},{"upToUsd":2000,"percent":0.14},{"upToUsd":10000,"percent":0.09},{"upToUsd":50000,"percent":0.04},{"upToUsd":100000,"percent":0.02},{"upToUsd":null,"percent":0.01}],"minFeeUsd":0.01,"maxFeeUsd":100,"dustLimitSats":546,"pricedIn":"USD at draft creation time, converted to BTC using the same price feed as fiat→BTC conversion.","note":"The fee is a separate transparent output in the sender-signed transaction; the receiver always gets the exact billed amount. Fees that convert to less than the on-chain dust limit are waived (up to a small daily allowance per account; beyond it the fee accrues to the creator's account). The network mining fee is set by the sender's own wallet."}