Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBt7JBhQCDDh/MNPHLUwBXJDVYKDKLRZv87uEfMjzLC5Xdvtfu1SyIAqIzb… (844 chars)"
  }
}