Analytics API 429 on Legal Hold Digital Chat Export

What is the reason the bulk export job for digital channel interactions under legal hold is returning HTTP 429 Too Many Requests when querying chat transcripts in the Europe/London region. The job configuration uses valid ISO 8601 timestamps and targets the correct tenant ID.

Rate limiting occurs immediately after job creation via POST /api/v2/analytics/bulk-export/jobs. The request payload includes all required metadata fields for chain of custody compliance. This prevents successful S3 integration for legal discovery requests.