Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwABsst2KBiMb4/4nkTOSHwpAyMDXQgpdFO/Drpe3kke4E2lHbw5lyQXW6U2… (844 chars)"
  }
}