curl https://trace.wandb.ai/cost/purge \
    -H 'Content-Type: application/json' \
    -H "Authorization: Basic $USERNAME:$PASSWORD" \
    -d '{
      "project_id": "entity/project",
      "query": {
        "$expr": {
          "$and": [
            {
              "$literal": "string"
            }
          ]
        }
      }
    }'