Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQFWlnr/xmKubMX8P+fLqESCpBz2p+6p/wA0goX2IcX0Rwne6EyzUHBxmr52… (1,748 chars)"
  }
}