{
  "$schema": "https://json-structure.org/meta/core/v0/#",
  "$id": "https://raw.githubusercontent.com/api-evangelist/blockchain/refs/heads/main/json-structure/com-exchange-order-mass-cancel-request-payload-structure.json",
  "name": "ExchangeOrderMassCancelRequestPayload",
  "description": "ExchangeOrderMassCancelRequestPayload schema from Blockchain.com WebSocket APIs",
  "type": "object",
  "properties": {
    "action": {
      "type": "string",
      "const": "OrderMassCancelRequest"
    },
    "channel": {
      "type": "string",
      "const": "trading"
    },
    "symbol": {
      "type": "string",
      "description": "Optional \u2014 restrict mass cancel to a single symbol."
    }
  },
  "required": [
    "action",
    "channel"
  ]
}