Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCX/D+I1QajYnTcWZIl2kI86qGXmZYBacIkOSIlItF2z3+unvMPJ4Wqip/Z… (844 chars)"
  }
}