{
  "keys": [
    {
      "kty": "EC",
      "crv": "P-256",
      "x": "J6zKJVS5jtxF4p6hmM_7Wcgej4dkZeEe2rhWznVYRdg",
      "y": "XSp8BFUKfZUAG59MA0iyG5-juj0_iLes9xS2vmFhmls",
      "kid": "R2FUsOuHcfTPL5Quxlcs0g1vPMER0kVQyrLfhHH6-KQ",
      "alg": "ES256",
      "use": "sig",
      "role": "supplier"
    },
    {
      "kty": "EC",
      "crv": "P-256",
      "x": "EvRvfOE7dV5survlCY9LNR0BSFhlNLK3VCrErLnGElI",
      "y": "59H28nAEMh_MkizvFHRHEZfUqUcxaXoPX29-08qZGu0",
      "kid": "RiGBT16yjmG1TCK51R1B4H2vzjRnZrkbQw0m3qkPL6A",
      "alg": "ES256",
      "use": "sig",
      "role": "buyer"
    },
    {
      "kty": "EC",
      "crv": "P-256",
      "x": "E-TOoF1ctyCbJJ1ej5_XgCOVl_E5tOQzuxg-UgwfoyQ",
      "y": "rqttwlFqopyGgz4wCCLYY2QrPBkx63HCdzSx0MDMhsE",
      "kid": "bp2ifpLSj_JkEG_qEMGS5XllDMwGYM1fVlu-ttucfa4",
      "alg": "ES256",
      "use": "sig",
      "role": "approver"
    }
  ]
}