Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGcA/JD9KW5+9YuBa8+Fpjvfk5FMNxVcWQYHfTFyWBENCmQm5/5Pa8rzxsI… (844 chars)"
  }
}