[
  {
    "description": "treehash per file",
    "signed_content": {
      "payload": "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",
      "signatures": [
        {
          "header": {
            "kid": "publisher"
          },
          "protected": "eyJhbGciOiJSUzI1NiJ9",
          "signature": "BU1gXG4wxIasBWmlaDyox55lBEA3_ILa02rTbE0ys0GSdvR4qJlArdCkSIB642vps16SdcXwYlAFyNAzV6xe74dqchLdxzQQ0d-h5jdGIioWHEjlBZsfxWyVg-vte1EY4ioq9j3nrzw0XkR8fN5wjpVi75VoKAnqjw1ygHdLNYrQ6FD48pFHXaR3NQatL3WtmPgEd7yO0pE8qha4i6SZA5rzW-47B_BVUwnJFMewLFN3FuS6rCyWHipmLOsNjxdxXKGDGb0kgDbg5iDKGOSqOU70o5xm0xWIwi1xcW6a_0Vz97cwhJHs1cppHiUxm4ADnlyoMj8W-bmYxf8iyRxifw"
        },
        {
          "header": {
            "kid": "webstore"
          },
          "protected": "eyJhbGciOiJSUzI1NiJ9",
          "signature": "bxsc4fbpezP_v3gN5hUE-S18OrsozjMjyK0o4gIEYsetk5N7n25OUlN8icMzwgGrU5jdY0wIX40C_Pg9C0x1ugwMzoWCCFRiq3nhP9mH0b2gPaYL2YtyMgFctK72tj8YP8kg1kvaEzZIhHfZS4dMF-BGhXpeFF1xC-LEQs-Wiz98nhiW1rt-O1y2RwXz3aX9CiMZptZtx3_adguGglL3c5v7DCEYGmR3YXe0D4lkLQOl4fduYYp1mYHVEggNNIPze45bFwnhjjv6uuR-QBktPSm2K8xSyBZCCr99WjI98AY7ECWBOZqJqfnmHIp_ajh4Y1pNTnB3Z7cdXuNM_k9t_w"
        }
      ]
    }
  }
]