Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGU2A8Yekx01s3HTLgoba/LWbVTnrHNpu7b3xPEH+h2MkNlwDGg1w7Ogcpv… (844 chars)"
  }
}