[
  {
    "description": "treehash per file",
    "signed_content": {
      "payload": "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",
      "signatures": [
        {
          "header": {
            "kid": "publisher"
          },
          "protected": "eyJhbGciOiJSUzI1NiJ9",
          "signature": "NbvXNS09VTI6sHt7ffSosbWGWFR5eMInZZfxeSOP1HOY2n_4P2CpvODwgKKg4ibEt6Xq8-80QM6H3um49l7wVNT0fFWcxW4JjcIBbjkCOLZLefRoSRKQng37Qcsw2xPNwZ_hw3jpvBEf1aC6PrmzhEFCLKiaNmBHSVla1RPgcnBH-tTwdJ3hX0XPAqXXAa3OjqrL-RSIy6rE8CtEtQI42uU1SjPUq81nFX8Kzjphwfctx6D8fVpCs9swpmlgNBkHX22QX52fyxgpRBj4RRnkFdkTeTTcZ7_LiIw8tu0RX-Zk0rIS62_B89DTrNdANxXKI86cMvXuBPKoZbT92Zx1dw"
        },
        {
          "header": {
            "kid": "webstore"
          },
          "protected": "eyJhbGciOiJSUzI1NiJ9",
          "signature": "fkpkwEjm8fIg6C8AI6MpGvQ6MukNRs0SM3_OLjc_5X8_wQUV4Jjvp9s6p5nVPZz9aSVoeMP_QPxtbQV2JoEYcBL_L5n_lAbr7F6turOZgttJD3nzbD-KuQoTAdE3nN9Kw7Kbp6r43hn2nhZApFr2mUiYsH37_69m1xg4WlGdGCbqPZCrZYYxnFK-MPThBTEVrDxz6zxrbWrms76ulSbv5MPwz26QWTcSlT0_08pmxOXtIPMXbGykvwL-Y1uPlGUIELjPRkjoYrL3__mBAwZ0mhy9nFlaHbvWBSlmQX_6X8XsgwrKSx-VlnRuDoNerwRZVOVtvRlIpklyB_Wac2lm8Q"
        }
      ]
    }
  }
]