{
  "alice": {
    "customer_ids": [
      "C01",
      "C02",
      "C03"
    ],
    "pending": 2
  },
  "bob": {
    "customer_ids": [
      "C04",
      "C05",
      "C06"
    ],
    "pending": 1
  },
  "tool_kind": "builtin_data_source_query"
}