Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCSFQZqvWFVuIGAo2CiLNG1oi34pN+J4Aqc1ZrP0OWpsTsKdwNs5vXR8L4z… (844 chars)"
  }
}