[
  {
    "description": "treehash per file",
    "signed_content": {
      "payload": "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",
      "signatures": [
        {
          "header": {
            "kid": "publisher"
          },
          "protected": "eyJhbGciOiJSUzI1NiJ9",
          "signature": "1gqrc_sgvVHHq4k6rQ2AGrg891HCtM5atjBIrLhFLzOZFWoJhIIxtYHZ3WtVka1D2tK8kiYprXwrsQcFrNJ4asSYVDxKvUxV23F0y02TIOzohzY1WW_oxYGnQJpgfSIOGhDKzLpIyNaFwLSjz10yZ0HQiAW640LwCJL8OL_839UAudgTzlnYWLmGptKeiF9JqEABdKg2MRyLKLs6uOlOFv3TXY-4GiSbj4qfLocK_PyIJAlXxxgjy2s_flgJ2-CycfvvIjOPI_Q7xPha9Ol0yuPMdNbHuVR2Ys55fZsLWwsE_JV-4F8e1anlgwIjEem-C1Jn48doEdm3O5qt-HbOHg"
        },
        {
          "header": {
            "kid": "webstore"
          },
          "protected": "eyJhbGciOiJSUzI1NiJ9",
          "signature": "h7lYrlNTKLr-YI95Jfpy5qmw3_MTkH0rRi6ObPYxSoCwg8YSKmqBsHL3dZOVGSA2rHfDoq-4WRW1QXkSLTTi1Jdq4wkSPJJXGLGUDbQZEx2sPgrGlowryMlvtvpTnkjqxSss2YvKXc1R_zrW4b_T_h9-DQ3MtmGNn0LYRnviiUztnMQBNNp5LPDpYyVqlXsyMmIXxnVU2IzLos22W1y-XkzfTSX7uDFru4_3aKkIVC__DX3Gf8u4LcPCCD407KlfsfDsOnSdco4P99YL5NVkhsWCgs2WRjHkfAmXb0DMp93vWja-W_T1nNLpCJVuY6DafNAc-XwbEstrYvA-dmsVjA"
        }
      ]
    }
  }
]