Web3ChallengeResponse Schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "Web3ChallengeResponse",
  "type": "object",
  "properties": {
    "message": {
      "description": "SIWE message to sign with personal_sign (EIP-191)",
      "type": "string"
    },
    "nonce": {
      "description": "Single-use nonce (expires after 10 minutes)",
      "type": "string"
    }
  }
}