Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDTUJb3RY6+8ZV1TBVtBmd99H1SnTz6sOOijGbFoMEdlTIpoQP81kvvV8YZ… (1,748 chars)"
  }
}