{
  "operationId": "cancel_order",
  "method": "POST",
  "path": "/api/v2/orders/chain/{chain}/protocol/{protocol_address}/{order_hash}/cancel",
  "request": {
    "parameters": {
      "chain": "string",
      "protocol_address": "string",
      "order_hash": "string",
      "X-Api-Key": "string"
    },
    "requestBody": {
      "offererSignature": "string"
    }
  },
  "response": {
    "200": {
      "last_signature_issued_valid_until": "string"
    }
  }
}