Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBbhh1vu3NtkXq/JMMBXVJWKfnb5t+Rnv5OwRHG8Y1dHAp1TwiRE3m8xKHf… (844 chars)"
  }
}