Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGNIkr2AOiuQHsAYYVjQXcAoaJbSts5XaVdz+s4Yfs3PXvOS3trN4fPq8md… (844 chars)"
  }
}