[
  {
    "description": "treehash per file",
    "signed_content": {
      "payload": "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",
      "signatures": [
        {
          "header": {
            "kid": "publisher"
          },
          "protected": "eyJhbGciOiJSUzI1NiJ9",
          "signature": "UglEEilkOml5P1W0X6wc-_dB87PQB73uMir11923av57zPKujb4IUe_lbGpn7cRZsy6x-8i9eEKxAW7L2TSmYqrcp4XtiON6ppcf27FWACXOUJDax9wlMr-EOtyZhykCnB9vRGKTw9I-3rXYiwKjK3YaYCOvXZyskadBu1toKyv2BLfMRVcRJYyG3Yn0vbUc2PwUMn-rQOCIWZD9GEEPLTYRiqsRkBDi03GnhNlgC0k7snp6vnetpduysr0hYjeezk3dC97Sv99R_-j4LsTYy8XN4AmCYMbEQLcWbY5RMNBE28mfyLSRm_H3BjiO1otIg0wkSBeE6_z7NFKiz95H6w"
        },
        {
          "header": {
            "kid": "webstore"
          },
          "protected": "eyJhbGciOiJSUzI1NiJ9",
          "signature": "Q81ZBX6yEwDV2z8PShlrMn9rcJfSRdV4KVg5cZEhRcHrEZHp44LwOdyl3NlHpOPkGj3PeucVxD7j43iuYNcrQ2vSW1UkcbcNE0m9TKrGh3XH4acw3BC6pEMRRxcPjeGVVN_6_L8D3Ns_fDipUL1zyi2X5AaPY5E0etkb9O_UJxtP3VylPu-UdsVk9VkMu-BwhD82skujDsqDzS0y1PFEwccN64WTZtsXzkmMrRMwyXHq8PQYANghDCH6U4OxTrIK-FafMqit-79KcfWknrBAudzPGlB44bYpCeo2__cwx_Eejk3CgTzVkFjN-8bDNmiHkpw9Qon7aUq4X4f9vqF5AQ"
        }
      ]
    }
  }
]