{
  "testCases": [
    {
      "domain": 2000,
      "signature": {
        "r": "0x9fc3466b0731534ca93b84549ece6c09067ab81ccc8fb1522af2cfc10e33e2f7",
        "s": "0x5b622e6224ac6e3433e34404df740230ef4e01d5ede514c3510e40dfdb6665d6",
        "v": 27
      },
      "signer": "0x19e7e376e7c213b7e7e7e46cc70a5dd086daff2a",
      "updater": "0x1563915e194d8cfba1943570603f7606a3115508"
    }
  ]
}