curl --request POST \
  --url https://api.agentic.scope3.com/api/v2/buyer/advertisers/{advertiserId}/hypotheses \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "category": "audience",
  "statement": "<string>",
  "treatment": "<string>",
  "comparison": "<string>",
  "outcomeMetric": "<string>",
  "priorConfidence": 0.5,
  "priorMagnitude": 123
}
'

{
  "data": null,
  "error": {
    "code": "<string>",
    "message": "<string>",
    "field": "<string>",
    "details": {}
  }
}