{
  "request": {
    "method": "POST",
    "url": "https://api.browserbase.com/v1/contexts",
    "headers": {
      "X-BB-API-Key": "bb_live_abc123...",
      "Content-Type": "application/json"
    },
    "body": {
      "projectId": "proj_abc123"
    }
  },
  "response": {
    "status": 200,
    "body": {
      "id": "ctx_abc123XYZ",
      "uploadUrl": "https://storage.browserbase.com/upload/ctx_abc123XYZ?signature=...",
      "publicKey": "-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkq...\n-----END PUBLIC KEY-----",
      "cipherAlgorithm": "AES-256-GCM",
      "initializationVectorSize": 12,
      "projectId": "proj_abc123"
    }
  }
}