Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQFUZzHVHa63/SmD3gEbeHbcB1BC0PyOQS2pqSL4mrwpZRrsl2Y3YHEin5WW… (1,748 chars)"
  }
}