Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHSDNctfdlb9g+CpGbUf8XWPOKZRvunoMcJIUjAF6JUnyh3zSCQvKbpKtAh… (844 chars)"
  }
}