{
  "plan": {
    "mint_url": "https://mint.invalid",
    "keysets": [
      {
        "keyset_id": "0011223344556677",
        "denominations": [
          4,
          4
        ],
        "input_fee_ppk": 400
      },
      {
        "keyset_id": "008899aabbccddee",
        "denominations": [
          2
        ],
        "input_fee_ppk": 100
      }
    ],
    "gross_sats": 10,
    "fee_sats": 1,
    "net_sats": 9
  },
  "preimage": "[\"content-payment-fee-plan-v1\",\"https://mint.invalid\",10,1,9,[[\"0011223344556677\",400,[4,4]],[\"008899aabbccddee\",100,[2]]]]",
  "sha256": "ae9985299ee707ac4a7ce6b1a5d358c64ac2a69e2481e587b1e66dbcb9a27b0a"
}