Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEOGk2xwzmEFpG7DZvXQf+i3oWrP6EbdlkAWl23LwUXIBUgGf7sfb9gVI9n… (844 chars)"
  }
}