describeMetadata

{
  "type": "object",
  "properties": {
    "asOfVersion": {
      "type": "number",
      "example": 42.5
    }
  },
  "required": [
    "asOfVersion"
  ],
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "describeMetadata"
}