Page viewed

 {
  "clientId": "Required, string type, represents the unique identifier of the client",
  "clientIp": "Required, string type, represents the IP address of the client",
  "context": "Required, please refer to the context definition in the basic structure",
  "data": {},
  "id": "Required, string type, represents the unique identifier of the event or record",
  "name": "Required, string type, represents the event name: page_viewed",
  "seq": "Required, numeric type, represents the sequence number",
  "timestamp": "Required, string type, represents the timestamp (ISO 8601 format)",
  "type": "Required, string type, represents the form type"
}