Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDysp1E8n/d8A256BxweEXMOzDJSMbAajj1ZdCgwlzxl0j9g50w/b3Iq6wY… (844 chars)"
  }
}