Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwBsUYnaRc7ojAmdXZW2GJzv0AX+U+FTmQgQVdLEFkmUTmw/QG26Wj6U/iFG… (844 chars)"
  }
}