Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAB8mxFY+qsB+RGtPEK7+I9VTPPHRgwiY9VRSyhTDCGEh7x8RveGcgK+rRU… (844 chars)"
  }
}