Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwG4rlFawr6Rd/7wteVE+rhjQa+FbuIlI+yKOBY/pGa+5xc2E5lQRKnIAelh… (844 chars)"
  }
}