{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "type": "object",
  "properties": {
    "id": {
      "type": "string"
    },
    "jsonrpc": {
      "const": "2.0"
    },
    "method": {
      "const": "sxplr.getUserToSelectARoi"
    },
    "params": {
      "properties": {
        "type": {
          "anyOf": [
            {
              "const": "region"
            },
            {
              "const": "point"
            }
          ]
        },
        "message": {
          "type": "string"
        }
      },
      "type": "object"
    }
  }
}