Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwB5RBjMfXR2/sBPDmOhLn3cxZ7qNLGqLyjUlbXm5WDMSxs/2FwKwjqEFI/z… (844 chars)"
  }
}