curl --request POST \
  --url https://api.example.com/table/query_stats_batch \
  --header 'Authorization: Basic <encoded-value>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "project_id": "<string>",
  "digests": "aonareimsvtl13apimtalpa4435rpmgnaemrpgmarltarstaorsnte134avrims",
  "include_storage_size": false
}
'

{
  "tables": [
    {
      "count": 123,
      "digest": "<string>",
      "storage_size_bytes": 123
    }
  ]
}