curl --request POST \
  --url https://api.fact0.io/api/v1/executions/{executionID}/spans \
  --header 'Content-Type: application/json' \
  --data '
{
  "spans": [
    {
      "id": "<string>",
      "execution_id": "<string>",
      "parent_span_id": "<string>",
      "caused_by_span_ids": [
        "<string>"
      ],
      "name": "<string>",
      "started_at": "2023-11-07T05:31:56Z",
      "ended_at": "2023-11-07T05:31:56Z",
      "metadata": {}
    }
  ]
}
'

{
  "accepted_count": 123,
  "errors": [
    {
      "entity_id": "<string>",
      "code": "<string>",
      "message": "<string>"
    }
  ]
}