Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEz774a8OxGqQpUuFzOg6xTAzJPPFtewzxET6LjU/I9WC2sLA7sLVfGOr8J… (844 chars)"
  }
}