Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEQb4xsOAAfBz76KsjeNf/c+ZTiVDHnSyx9QGPMVBTfxzm3hpjrCeRRbbNI… (844 chars)"
  }
}