Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDWco+ZHBeSYkArn1kxW9Gk8r3RZqfPicUEbpGbL91ZGB9bLGcN7sEOS6lh… (1,748 chars)"
  }
}