Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDOsV7DZFSvlnM7ZTip7kRdJrfa3iq6Ke5SzPw732FeGz2t7rKTK5nfEwv7… (844 chars)"
  }
}