Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDvnzu8nfb/eYgo0SlN2K/pgKsRWL3V8qk13RUb689P+CxBuvmNvGgR7e1F… (1,748 chars)"
  }
}