{
  "request": {
    "method": "GET",
    "url": "https://api.tiaa.org/sia/v1/plans/PLAN-403B-001/participants/PART-20260503-00847/projections?retirementAge=67",
    "headers": {
      "Authorization": "Bearer eyJhbGciOiJSUzI1NiIsInR5cCI6IkpXVCJ9...",
      "Accept": "application/json"
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  "response": {
    "status": 200,
    "body": {
      "participantId": "PART-20260503-00847",
      "currentBalance": 87420.50,
      "projectedRetirementAge": 67,
      "monthlyIncomeProjection": 612.48,
      "annualIncomeProjection": 7349.76,
      "projectionDate": "2026-05-03",
      "assumptions": {
        "discountRate": 0.03,
        "mortalityTable": "SOA-2012-IAM",
        "inflationRate": 0.025
      }
    }
  }
}