curl --request POST \
  --url https://api.beta.getpara.com/v1/wallets/{walletId}/sign-typed-data \
  --header 'Content-Type: application/json' \
  --header 'X-API-Key: <api-key>' \
  --data '
{
  "typedData": {
    "domain": {
      "name": "MyDApp",
      "version": "1",
      "chainId": 11155111,
      "verifyingContract": "0xCcCCccccCCCCcCCCCCCcCcCccCcCCCcCcccccccC"
    },
    "types": {
      "Mail": [
        {
          "name": "from",
          "type": "address"
        },
        {
          "name": "to",
          "type": "address"
        },
        {
          "name": "contents",
          "type": "string"
        }
      ]
    },
    "primaryType": "Mail",
    "message": {
      "from": "0xAb5801a7D398351b8bE11C439e05C5B3259aeC9B",
      "to": "0xCcCCccccCCCCcCCCCCCcCcCccCcCCCcCcccccccC",
      "contents": "Hello, world!"
    }
  }
}
'

{
  "signature": "a1b2c3d4e5f6..."
}