Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEr39tY2KJVS+yUBOSKoNSLkWsL9+gkDoxKxFsDQZITRHJYgT9F3qzak1TH… (844 chars)"
  }
}