Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCUo/w0ESzhyaUGJtu4EcAX7ndq1zYZXTDqAWiuUVRfE1aqq+aCLKjH8PFi… (844 chars)"
  }
}