{
  "type": "object",
  "properties": {
    "txHash": {
      "type": "string",
      "example": "0x8f271174b45ba7892d83...",
      "description": "If txHash not provided then only verification on the Payment contract will be performed by nonce and issuer DID."
    },
    "userDID": {
      "type": "string",
      "example": "did:iden3:polygon:amoy:2qVSDLNYs2s5HDMTyb4Su67ZvrZ...",
      "description": "If a User DID is provided, the payment will be verified for the specified User DID."
    }
  },
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "PaymentVerifyRequest"
}