Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBPZKjuV9dVaaGprbcUD8tzdpuTEWWMURXpUwy5ZXyr1R6hWo6fP4LUwZMW… (1,748 chars)"
  }
}