Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEnNXz8m4uRzX7ZSKzstf+6Np2pD+yE5QR1Cfn5/xdEhUhVhcCk4bvCyUL3… (844 chars)"
  }
}