Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwAd3xTEJJX6Zhlz8r3uyP+uwllc9QHKA4SbEH6SrRNAsRLSxPxdkUS+Zg4N… (844 chars)"
  }
}