Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHXOKtpxtdkF4q+sxRbQbJVti9kVgwZbblY8f4zDOSH+0F9gguTrnpNGhPH… (844 chars)"
  }
}