Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGNHVMmh/dEUE8/1e6P3QWzf66i9hg2PDwlo2Jn7GmM8zuBuXLX6UKf/+im… (844 chars)"
  }
}