{
  "$schema": "https://json-structure.org/meta/core/v0/#",
  "$id": "https://raw.githubusercontent.com/api-evangelist/blockchain/refs/heads/main/json-structure/com-exchange-heartbeat-update-payload-structure.json",
  "name": "ExchangeHeartbeatUpdatePayload",
  "description": "ExchangeHeartbeatUpdatePayload schema from Blockchain.com WebSocket APIs",
  "type": "object",
  "properties": {
    "seqnum": {
      "type": "int32"
    },
    "event": {
      "type": "string",
      "const": "updated"
    },
    "channel": {
      "type": "string",
      "const": "heartbeat"
    },
    "timestamp": {
      "type": "datetime"
    }
  },
  "required": [
    "seqnum",
    "event",
    "channel",
    "timestamp"
  ]
}