{
  "$schema": "http://json-schema.org/draft-04/schema#",
  "title": "Server Time (request)",
  "description": "Request back-end server epoch time.",
  "type": "object",
  "auth_required": 0,
  "additionalProperties": false,
  "required": ["time"],
  "properties": {
    "time": {
      "description": "Must be `1`",
      "type": "integer",
      "enum": [1]
    },
    "passthrough": {
      "description": "[Optional] Used to pass data through the websocket, which may be retrieved via the `echo_req` output field.",
      "type": "object"
    },
    "req_id": {
      "description": "[Optional] Used to map request to response.",
      "type": "integer"
    }
  }
}