{
  "type": "externalData",

  // this basically becomes the protocol.  All other values in this object are interpreted based on the service
  "service": "geoshape",

  // For "geoshape" service, query may be either one string, on a list of strings (will be concatenated)
  "query": [
    "SELECT ?id ?description ?head ?title (SAMPLE(?fill) as ?fill)  WHERE {",
    "  ?id wdt:P31 wd:Q35657 .",
    ...
  ]
}